Stinger 136420 Staplepac Caps And Staples 3/8"Highlights: Size: 3 8" For Stinger Cap Hammer Caps are used to hold roofing felt and housewrap in place during construction 2016 count box includes: 12 rolls of 168 collated caps (1" in diameter) and 24 strips of 84 staples (3 8" length) Designed to be sold to the end user in a full box Boxed Staples and caps that are used with the Stinger hammer WARNING: This product can expose you to chemicals including Lead which is known to the State of California