Product Description:
Material: Alloy
Size: Hole diameter is 1mm; pin back upper diameter is 10mm, lower diameter is 6mm, and height is 6mm. Fits most metal pins.
Color: Silver
Package includes:
30 Pieces Locking Pin Keepers Backs With a box
Features:
1.These spring-loaded fasteners are tool-free. Simply align the fastener holes and push the base to secure them.
2.Suitable for pins, badges, jewelry making, DIY crafts, name tags, display books, lanyards, bags, vests, hats, and collectibles.