Helm seat in tube with revolving pedestal made of mirror-polished AISI 316L stainless steel for boats and ribs, with a lower round base Ø315mm entirely welded with reinforcements. The base of our helm seat 2220 consists of an upper Ø90mm tube that slides in a lower Ø95mm tube; the height is manually adjustable by a pin and a locking knob. The helm seat is supplied with or without paddings and the back roll can be used as lower back support.