https://www.burton.co.uk/product/vinsetto-draughtsman-chair-mesh-chair-w-adjustable-footrest-ring-grey_p-b3422237-a675-45c8-8643-a2ce0a949522£colour=Grey&size=One%20Size

This mesh office chair, from Vinseto, comes in a draughtsman design - great for working at higher levels. Adjust the height between 52-72 cm easily, thanks to the under-seat lever. The padded seat, curved mesh back, flip-up arms and five-wheeled base make it a pleasure to sit on and use, supporting you as you work. Adjust the bottom bar to rest your lower body comfortably. Tall surfaces£ No problem! | VINSETTO Draughtsman Chair Mesh Chair w/ Adjustable Footrest Ring, Grey - Manufacturers part number: 921-628V70GY

• Dimensions: 110-130H x 59W x 65D cm. Seat: 52-72H x 50W x 46.5D cm. Maximum load 120 kg. Assembly required. It's BS5852 qualified.
• Padded seat: Keeps you comfortable as you work, so you can focus on the task in hand.
• Adjustable height and footrest: Standing desk chair seat can be set between 52-72 cm, great for working at different levels. Bottom bar can also be moved easily too.
• Tall, draughtsman chair: Made for higher surfaces, this tall desk chair allows you to work easily, with little stress or strain.
• Space-saving comfort: This high office chair features a padded seat which swivels freely, tall curved back and five-star base. To save space, the armrests flip up so you can push the chair under the desk completely.