Jemini Sheaf Medium Back Operator Chairs (Adjustable back position for ergonomic use) KF50169 Jemini Sheaf Medium Back Operator Chairs KF50169 This Jemini Medium Back Operator Chair features a firm foam back and seat with a charcoal fabric covering. The fixed back design allows the seat and back height to be adjusted for comfort for up to 5 hours usage. This Jemini Operator Chair sits on five castors for ease of movement. Arms available separately. Medium back operator chair for general office use Foam sculpting with fabric covering for comfort up to 5 hours Adjustable back position for ergonomic use Adjust height with gas piston from 465mm to 595mm Mounted on five castors for easy movement Arms available separately Colour: Charcoal Back dimensions: W435 x H400mm Seat dimensions: W460 x D450mm