Profile: Jennings CVS Ltd. specializes in work vehicle seating, supporting the truck, bus and coach, minibus, construction and industrial markets. We also provide spare parts and repair services. The Grammer MSG20 suspension seat is designed to improve the vibration characteristics of the vehicle / machine, and offers every driver a maximum of individual comfort, basic configuration with backrest angle adjustment, fore/aft adjustment 150 mm, and rapid weight adjustment of 50 - 130 kg.