Benefits & Advantages: 1.Durable: Our lanyard snap hook with key rings are made of high quality zinc alloy, durable, robust, 60 pieces can be used for a long time. 2.Flexibility: The full 360 degree swivel eye design helps the lobster claw clasps not be tangled and the snap closing accessory ensures your items not fall off from it. 3.Applications: These swivel snap hooks with key rings are great choice for key chain, purse, handbags, dog collars, lanyards, jewelry decoration and other DIY creation. Specification: Size: Lanyard hooks: length: 3.5cm/1.37inches width: 1.4cm/0.6inch Split key ring: outer diameter: 2.5cm/1 inch inner diameter: 2cm/0.8inch Package includes: 30x swivel clips 30x key rings