Home > Collections > 4U > kit 220-HD
4U

kit 220-HD

S.I. Design

Task chair with upholstered backrest and adjustable lumbar support

Request 3D Model
Request informations
Characteristics
Frame colours
Measurements
Discover all components
Backrest extension outer “4U”
Backrest extension inner “4U”
Pair of black metal bars for extension “4U”
Injected polyurethane foam extension th. 40 mm, d. 52 kg/m3 “4U”
Backrest outer “4U”
Backrest inner with lumbar support “4U”
Injected polyurethane foam backrest th. 35 mm, d. 52 kg/m3 “4U”
Sliding outer seat, 60 mm stroke “4U”
Plywood inner seat with 6 t-nuts M6 “4U”
Injected polyurethane foam seat th. 40 mm, d. 52 kg/m3 “4U”
Pair of 3D adjustable armrests, 100 mm stroke, 60 mm sliding, 30° rotation, PU pad “4U”
Self-adjusting synchro mechanism 870 nylon with 5 locking positions and antishock
Black gas cylinder ø50 mm, h. 232 mm, s. 143 mm, r. 7 mm
Base ø700 mm, cone ø50 mm, pin ø11 mm “QUADRA”
Ring ø50 mm for base “QUADRA”
Set of 5 free castors ø65 mm, pin ø11 mm