4U

KIT 230-F

S.I. Design

Office chair with upholstered welded fabric backrest

Sliding seat outer, 60 mm stroke

3D adjustable arms, 100 mm stroke

Self-adjusting synchro mechanism with 5 locking positions and antishock

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Welded fabric back with lumbar support “4U”

Sliding outer seat, 60 mm stroke “4U”

Plywood inner seat with 6 t-nuts M6 “4U”

Seat injected polyurethane foam t. 40, d. 52 “4U”

Pair of adjustable arms 3D, 100 mm stroke “4U”

Self-adjusting synchro mechanism 870 nylon with 5 locking positions and antishock

Black gas cylinder, h. 232 mm, s. 143 mm, ø50, t. 7 mm

Base ø700 mm, cone ø50, pin ø11 “QUADRA”

Ring ø50 for base “QUADRA”

Set of 5 free castors ø65, pin ø11