Description:1. STURDY CORD END CLIPS - This tube slide end clasp is made of electroplating iron material with exquisite workmanship, hard and durable, not easy to fade or rust, and has a long life of service.2. TUBE SLIDE DESIGN - They come with a lobster claw clasp and extension chain, you can feel free to adjust the length. Also can remove or add additional jump rings. Tube shape design that can quickly attach different kinds of bead chains, fabric, lace, or string wires.3. EASY TO USE - Just slide one end of the project through the slot of one clamp crimp and hold it in place, then close the end cap. Repeat the same step on another end of the project to another clamp crimp. Besides, you can adjust the jump ring chain length.4.