Natural PA Anti-Loss Washer Retaining Washer - 7 mm | 0.277 in; 12.7 mm | 0.500 in; Thickness 1.6 mm | 0.062 in; Compatible Screw Sizes #10

Designed to grip outside of screw shank. Easily slides on to the screw and is retained by the screw once assembled. Ideal when pre-assembly of the screw and washer is required. Reduces assembly time and cost.