THESE ARE WHITE

WE DO A 96 COLOUR RANGE

Snap-Caps are a 2-part product, comprising:

a plastic washer (base), through which the screw or other fixing is inserted, and
a plastic cap (dome), which locks over the washer, providing air & watertight seal that protects the fastener head from rust and corrosion. 
Snap-Caps are available in three sizes:

Size 4/5 suits 4gge to 5gge (Metric 3 – 3.5);
Size 6/8 suits 6gge to 8gge (Metric 3.5 to 4.2); and
Size 10/12 suits 10gge to 12gge and ¼” (Metric 4.5 to 6)