40 Pack 0.5 Inch Round Buckle Clips, Metal Spring O Rings Silver Carabiner Clips Keychain Snap Hook Zinc Alloy Keyring Buckle for

Precise DimensionsEach 0.5-inch spring O ring features an exact 13mm inner diameter, compatible with standard keyrings, bag straps, and paracord. Consistent sizing across all 40 pieces of keychain clips enables uniform DIY craft accessories for projects requiring millimeter-level accuracy. Please note that manual measurements may have a 1 mm error.

Effortless FunctionThe snap hook buckle operates via a thumb-press spring mechanism, enabling single-handed attachment/release. Smooth inner edges prevent fabric snagging. Ideal for quick keychain clip swaps or bag extensions. These spring O-rings are indispensable quality accessories for various repair items.

Wide ApplicationsThese round keyrings with snap hook buckles can decorate and replace most items, including key rings, small dog leashes, dog collar tags, purse charms, handbags, exercise bands, bag tassels, keychain clips, and outdoor paracord keychain lanyards, round clasp ring is a great DIY accessory, can be given as a gift to a friend

Safety ComplianceWhile these metal keyrings withstand daily stresses, their weight limit excludes high-risk activities like climbing or marine mooring.