E Size

Mixed Combination Pin-Lock Security Nut and Key Knob for 2.25"/3.38" Diameter D/E Size ArmsThe RAP-S-NUT5U consists of a 1/2"-20 female threaded security nut and key knob. The RAP-S-NUT5U replaces all knobs on 2.25"/3.38" diameter D/E size arms and...