The SHOCK-WBV: R-series is designed specifically to reduce Whole Body Vibration (WBV) and increase comfort for boat users. Suitable for all RIBs or jockey seats on inland and coastal waters. Like all SHOCK-WBV products, R-series is lightweight and tough as its made from aerospace grade aluminium and 316 Stainless Steel. FOX Float EVOL Shock absorbers fitted as standard. All SHOCK-WBV parts and designs are rigorously tested with hundreds of hours on the water, and on Sea Sures ISO drop test rig, giving utmost confidence in SHOCK-WBVs seat suspension system. Total length: 358 mm. Total width: 160 mm. Total height: 170 mm. Compressed height: 103 mm. Travel: 78 mm. Vertical: 67 mm. Horizontal: 40 mm. Unit weight: 5,2 kg.