Natural Nylon Anti-Loss Washer Retaining Washer - 4.3 mm | 0.169 in; 7.0 mm | 0.276 in; Thickness 2.3 mm | 0.091 in; Compatible Screw Sizes M4

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.