Keyring. Flat back cap allows firm pressure on sticky pins without hand discomfort. Reversible dual function tool knurled for no-slip grip. 3mm armor's pin punch fits all Glock pin sizes. Two O-rings keep the protective cap in place. 3/16" Hex nut driver fits stock and aftermarket front sights. Black machined steel construction. Clam packed.Please note that this collection requires a minimum purchase of $100.00 threshold.