Opus Ergonomic Work Chair With Back Support
Opus Working Chair Back Support
Opus Work Chair Side View
Opus Work Chair With Lower Back Support

Opus Back Support Work Chair

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  • Delivery VanFree UK Mainland Delivery in 3-6 Working Days
Product Description
Discover the Opus Office Chair, the epitome of comfort, functionality, and style. Designed to meet the demands of today's dynamic work environments, the Opus task chair offers a luxurious seating experience coupled with a range of ergonomic adjustments for ultimate comfort and support.

Crafted with precision and attention to detail, the Opus work chair features a range of ergonomic features to ensure optimal comfort during extended periods of use. With gas height adjustment, synchronised reclining back and seat, tilt lock, and recline tension adjustment, this ergonomic chair provides a customisable seating experience tailored to your preferences.

Experience superior comfort with the Opus Chair's cold cure foam seat, contoured to cradle your body and alleviate pressure points, even in the most demanding environments. Both the seat depth and seat angle can also be adjusted to ensure your sitting position is just right.

Soft adjustable armrests add an extra layer of comfort and support, ensuring that your arms remain relaxed and well-supported for typing and desk work. The stylish high backrest, upholstered in breathable mesh, not only enhances airflow but also provides excellent lumbar support, thanks to its height-adjustable design.

Elegantly finished with a brushed aluminum base, the Opus operator chair exudes sophistication and modernity, making it the perfect addition to any office space. Whether you're tackling tasks at your desk or participating in lengthy meetings, the Opus Chair is your all-around solution for comfort and productivity.
Key Features & Measurements

Brand: Fenstone

Chair Features & Mechanisms
 • Gas Height Adjustment: Yes
 • Recline Mechanism: Synchronised reclining back and seat
 • Tilt Lock: Yes
 • Recline Tension Adjustment: Yes
 • Adjustable Seat Depth: Yes
 • Seat Angle Adjustment: Yes
 • Lumbar Back Support: User Adjustable
 • Height Adjustable Back Rest: Yes
 • Product Weight (kg): 16

Arm Features & Dimensions
 • Arm Type: Height & Width Adjustable
 • Arms Width: 405-450
 • Arms Height: 710-790

 • Back Material: Breathable Mesh
 • Seat Material: Fabric
 • Frame Material: Chrome Metal

Overall Dimensions (mm)
 • Width: 660
 • Depth: 660
 • Height: 1110-1200

Seat Dimensions (mm)
 • Seat Width: 520
 • Seat Depth: 470-530
 • Seat Height: 510-600

Back Dimensions (mm)
 • Back Width: 475
 • Back Height: 590-640 

Recommended Usage & Weight Limit
 • Usage: 8 hours
 • Weight Limit: 125KG / 20 Stone

Warranty & Assembly
 • Mechanical Components Guarantee: 5 Years
 • Fabric and Foam Guarantee: 2 Years
 • Requires Assembly: Yes

Delivery and Returns Policy

Delivery Policy


  • Free delivery options
  • Where do you deliver?
  • How long will my delivery take to arrive?
  • Is there a way to track my order?
  • Delivery access requirements
  • My delivery has not arrived, what should I do?
  • How to report missing or damaged items

Free Delivery options

All products come with free delivery to mainland UK.

Quick Ship or stocked office chairs and accessories are delivered by courier in 3 to 6 working days to a ground floor entrance or hallway. Made to order chairs are delivered fully assembled and free of charge in around 4-6 weeks depending on the model chosen and the manufacturer.

Stocked office desks, office storage and other larger items come with free room of choice delivery in 3 to 6 working days depending on the model and manufacturer chosen. You will receive notice of the intended delivery date by email.

Where do you deliver?

We currently deliver to Mainland UK only which excludes Northern Ireland, the Highlands and any offshore islands.

How long will my delivery take to arrive?

We aim to deliver stocked or Quick Ship items within 3-6 working days on any order placed before 14:00pm. If you place an order after 14:00pm, on a weekend or bank holiday your order will be processed on the next working day. Made to order items are delivered in 4 to 6 weeks depending on the model and manufacturer chosen.

How do I track my order?

Orders placed before 14:00pm will receive an order confirmation the same day with an indicated day of delivery. We can give you an estimated 2 hour time window for your delivery on request. Please email sales@fenstoneofficefurniture.co.uk or call us on 0345 3405324.

Delivery access requirements

We require access for a 7.5 tonne vehicle and notice should be given in advance if there are any special access requirements. If we are unable to deliver your item due to insufficient access, it may be returned to us and further delivery charges will be made to redeliver your items.

What should I do if my delivery doesn’t arrive?

If your goods have not arrived on the indicated delivery day, please email sales@fenstoneofficefurniture.co.uk or call us on 0345 3405324. We will contact the courier on your behalf and provide a resolution as quickly as possible, normally the same working day.

How to report missing or damaged items

If you have any damaged or missing items, please refer to our Returns Policy where full details can be found.

Returns Policy


  • How to cancel an order
  • 30 day return policy (stocked items)
  • Made to order returns
  • How to report missing or damaged items
  • Reporting a fault with a product
  • Incorrect items received
  • Warranty coverage and claims
  • When will my refund arrive?

How to cancel an order

You can cancel your order by telephone, email or live chat. If your order hasn’t left the factory or production of made to order items has not been started, there will be no cost incurred to you and a full refund will be issued with funds clearing in your bank account in 2-3 working days. If your order has already left us and you have taken or refused delivery of the item, then please refer to the “30 day return policy (stocked items)” section below.

30 day return policy (stocked items)

You have 30 days in which to return an unwanted item to us. We can only accept an item that is unused and in its original, unopened packaging. Any item that has damage or open packaging will be returned to the customer. Returned goods will be inspected for damage and a 25% restocking and collection charge will be levied against the value of the original items.

Made to order returns

Any products manufactured by Orangebox are made to order only and cannot be returned as they are made specifically for the customer on request. The name of the product manufacturer is in the "key features and measurements" section on any product page. Damaged items will be repaired and replaced as per our standard damage policy in the next section.

How to report missing or damaged items

If any parts of your order are missing or damaged, please look up the part numbers on the assembly instructions and email them to sales@fenstoneofficefurniture.co.uk. If the replacement parts are in stock, you will normally receive them within 1-2 working days. If not in stock we will contact you with a delivery date.

Reporting a fault with a product

If you have a technical fault with your product please report it by email, live chat or telephone within 48 hours of delivery and we will provide a replacement part or unit. You may also be covered by the manufacturer’s warranty covered below.

Incorrect items received

If you receive incorrect items, please notify our customer services team by telephone, email or live chat within 48 hours. We will arrange for a courier to collect the incorrect items and either replace what is missing in 1-2 working days or advise of a delivery date if the parts are not in stock.

Warranty coverage and claims

All products are guaranteed against manufacturing defects, except for upholstery, castors and mechanisms which are subject to usage related wear and tear. The warranty is effective from the day the product leaves the factory and the manufacturer reserves the right not to apply the warranty in cases of inappropriate use or when a product has been tampered with by a third party or interventions by non-authorised personnel. All complaints concerning the goods must be made in writing and the company shall undertake to repair any product or part of a product that proves to be faulty. Warranty claims can be made directly to Fenstone Group Ltd or to the product manufacturer, which can be found on the “essential product information” tab on any product page.

When will my refund arrive?

Once approved a refund should be in your bank account in 2-3 working days. If it has not arrived, please contact us and we will be happy to assist you.