Semi-rotary drive DRQD-B-20-180-YSRJ-A-AL-FW for position sensing, with adjustable shock absorbers and play compensating gearing. supply port left. Size=20, Setting range of swivel angle on both sides=-20 /+ 6 deg, Swivel angle=180 deg, Cushioning=YSRJ: Shock absorber, hard characteristic curve, adjustable, Assembly position=Any