Bluemoona 20 Pcs - 13mm 1/2" SWIVEL CLIP SNAP Hook TRIGGER 4 Purse Keyring Rings Buckles (GunBlack) Material: Metal 13mm(1/2")Approx: 1.96" (49mm)long, D Ring: 0.53"(13.5mm)wide, Clasp: 0.4" (10.2mm)wide, open size:6mm(0.23") Color:Gun Black Quantity:20 pcs Used for key chains, beading and DIY accessories