Topstar synchronised mechanism with sliding seat, synchronised mechanism with sliding seat, black

AirWork G office swivel chair, synchronised mechanism with sliding seat, black. Supplied = partially assembled. Model = upholstered back rest. Seat colour = black. Frame colour = black. Frame material = plastic. Seat mechanism = synchronous mechanism with sliding seat. Frame design = with castors. Seat height = 420 - 540 mm. Type of arm rests = with arm rests. Back rest height = 575 mm. Seat depth = 410 - 485 mm. Seat width = 455 mm. Shape of seat shell = contoured seat, sliding seat. Conforms to = EN 1335 parts 1 - 3, GS tested. Seat material = polyester. Design of castors = castors for soft floors. Max. load = 110 kg. Period of use/day = up to 8 hours. Product type = office swivel chairs. Customs tariff number = 94013900. Country of origin = DEU. Gross weight = 17.8 kg. Weight = 16.1 kg. Back rest with actively breathing mesh cover and height adjustable lumbar support. The height and width of the arm rests are adjustable. Back rest angle can be set to 4 different levels using travel limiter. Synchronous mechanism that adapts to the user's weight with fine tuning and sliding seat (seat depth adjustment). Comfortable contoured seat for an optimal posture when seated. The spring force automatically adapts to the user's weight, and can be fine tuned to suit requirements using the rotary crank. The elegant, black plastic five star base is equipped with load dependent braked double safety castors for carpeted floors. All plastic parts contain a share of recycled material, which makes it easy to separate the individual resources. The product packaging consists of cardboard and recycled paper only, which makes a contribution to sustainability.