1. Comes with 50 Pieces swivel hooks and 50 Pieces Key Rings with chains,open jump rings and screw eye pins 2.With 360 degree base, the lobster clasps can be rotated to any direction.The lobster clasp has a strong spring loaded snap gate, you just need to pull and hold the trigger to open. 3.[PORTABLE SIZE]: Swivel lobster clasps: 3.2cm/1.26inch; Key chain ring: 2.5cm/0.98inch; Portable, easy to carry. 4.[EASTY TO USE]:Snap on swivel lobster clasps, double overlaps key chains ring with chain, open jump ring and screw eye pins are simple design. 5.[ OF APPLICATION]:Perfect accessories for key accessories, car key chains, DIY lanyards, pendants, charms, craft projects, and so on. Specification: Colour:Silver Material:Zinc alloy + iron Size:Swivel lobster clasps: 3.2cm Key chain ring: 2.5cm Package Contents: 50 * Pieces Key Rings with chains ,open jump rings and screw eye pins 50 * swivel lobster clasps Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.