Corbin Russwin Heavy Duty Parallel Arm w/ Thumbturn Hold Open and Stop

Heavy-Duty Reversible Backstop Parallel Arm • Recommended for high-use, high-abuse environments• Tamper-resistant, solid forged steel riveted arm (mounted on push side)• Field-reversible steel lug restricts degree of opening to protect door, wall and hardware• Requires both backcheck valves on closer• Shipped standard as left hand. Handing can be reversed in the field• Optional on DC3210 closers• Hold open arm, specify closer x A5*. Door stop/hold open range 85° to 110°