1100BLK Ergo Blaster Black Chair Teknik Office Ergo Blaster Black Fabric Operator chair with a medium sized backrest. Accepts optional arm rests. The Teknik Office Ergo Blaster Black Fabric Operator chair is our entry level solution for light office use, easy to use and assemble, it's a great addition to your home or work offices needs. It has a medium sized backrest with height adjustment and hinged tilt, tamper proof seat fixings, a height adjustable seat and a sturdy nylon base with wheels. Available in Blue or Black Fabric and with optional arm rests if desired. Recommended Weight: 70kg Accepts Optional Arms - 0288 Standard, 0280 Step Adjustable Swivel seat and backrest with hinged tilt Generous seat size Gas lift seat height adjustment. Durable 5 star base with twin wheel castors Requires easy self assembly Dimensions: Seat Height (cm): 47-59 Seat Depth (cm): 46 Seat Width (cm): 46 Back Height (cm): 33 Back Width (cm): 40 Overall Width (cm): 46