1. Double spring buckle, one-second disassembly and assembly, press to unlock, release to lock, firm and strong. 2. Exquisite zinc alloy electroplating, can be matched with all lanyards, resistant to dirt and scratches. 3. 360° rotation anti-entanglement, upgraded rotating hanging buckle to prevent lanyard entanglement. Color: black/gray/gold/rose gold/orange/purple/blue/red/pink/camel/green. Material: zinc alloy. Product thickness: about 6 mm at the thickest point. Single weight: about 10g. Single set contains: hook*1.