Size=12, Cushioning Angle=2,2 Deg, Rotation Angle Adjustment Range=0 - 180 Deg, Swivel Angle=0 - 180 Deg, Cushioning=P: Flexible Cushioning Rings/Plates At Both Ends Semi-Rotary Drive DSRL-12-180-P-FW.The Stop System Is Separate From The Rotary Vane So That Any Forces Which Occur Are Absorbed By The Stop Cams And Cushioned Via Flexible Plastic Pads.