Security caps for ball-lock pins, a.k.a. 'Pip-pins', should you loose one. These are to buy separately, if you are ordering the pip pins as well you can just tick the 'With Caps' option on the Pip-pin page.
Product Description
This is the security cap to fit our ball-lock pins, and others with similar design. This is the cap only, pins are not included!
Caps come with a strong nylon cord and split ring fitted to secure the cap to the pin, so you shouldn't loose it.