These FIA and SFI Certified Camlock harnesses from Proforce are constructed from premium nylon webbing and a high-quality cam buckle. Funnel-style receivers in the camlock make plugging in the belts a snap! They feature an ultra-lightweight magnesium case and a high-tech, quarter-turn mechanism. Each belt will rotate up to 40 degrees and move up and down 10 degrees to conform to the driver's body. This provides an extra measure of comfort compared to other camlock buckles.