Sliding and Swivel Boat Seat Suspension 350 mm (14″) – 4S Scandinavian-THW
In stock
The THW is a marine seat suspension from the TH series by 4S Scandinavian Seat Suspension Systems, combining a fore/aft sliding system (Slide) and a 360° lockable swivel (Swivel), with a seating height of 350 mm (14").
Equipped with a quick weight adjustment handwheel — the key differentiator of the TH series — this shock-absorbing helm seat suspension allows instant pre-load setting without tools, perfectly adapted to fast on-the-water adjustments aboard powerboats, RIBs and centre-console vessels.
Certified to ABYC H-31 type AO (any boat, any position, any speed) and built from premium marine-grade materials throughout, the THW is a precision-engineered solution for helmsmen, yacht builders and professional refit yards who demand both performance and ease of use at the helm.
Sliding and Swivel Boat Seat Suspension 380 mm (15″) – 4S Scandinavian-CCW
In stock
The CCW is a marine seat suspension from the CC series by 4S Scandinavian Seat Suspension Systems, combining a fore/aft sliding system (Slide) and a 360° lockable swivel (Swivel), with an adjustable seating height of 340 to 380 mm (14 to 16").
Built from premium marine-grade materials — 316L stainless steel, 5052H32 and 6061T6 aluminium, bronze c63000 — this shock-absorbing boat seat suspension effectively dampens wave impact forces, protecting the pilot's spine and neck during rough water navigation.
Certified to ABYC H-31 type AO (any boat, any position, any speed), the CCW is a seriously engineered solution for powerboat owners, yacht builders and demanding marine refit professionals.