National Hardware N185-199 V521 Round Corner Spring Hinge, Brass Rules Versa-Clutch® torque adjustment system "dials

Versa-Clutch® torque adjustment system "dials in" the proper torque needed to efficiently drive fasteners without stripping or breaking fastener

(2) 21MM socket

Easy soap and water cleanup

anti-wear and extreme pressure additives

Black aluminum body

National Hardware N185-199 V521 Round Corner Spring Hinge, Brass Rules Versa-Clutch® torque adjustment system "dialsHighlights: Series: V521 Finish: Brass Material: Cold rolled steel 6 Holes Wall mounting Load capacity: 30 lbs Overall Width: 3 1 2" Spring hinge Flush Full Inset Round corner UL Listed Closing speed is adjustable Fits standard hinge cutout Tension is adjustable 1 4" radius round corners For industrial and residential applications