APPLY TO - A spring cord lock can be widely used for lanyards, luggage, clothing, backpack, shoelace, tents, and moreSPECIFICATION:Color: ClearSize: 23 x 17mm / 0.9" x 0.6"(H*W)Hole Diameter: 7mm / 0.27"Material: Plastic, MetalNet Weight: 62gQUANTITY INCLUDED - 40pcs x spring cord lockADVANTAGE - Made of plastic, durable and lightweight, not easy to break and sturdy you can use them for a long timeINSTALL: Once the cord is easily threaded through the holes, a simple squeeze permanently the alignment mechanism and engages the metal spring to grip any cord.Note: Please according to the length and width of your needs choose the proper spring cord lock.