Check the listing for details. 50pcs Plastic Cord Lock, Single Hole Spring Toggle Stopper Cord Fastener, White. Condition: New. Listed at 17.41 USD. The cord locks are used to replace damaged ones or for DIY projects, widely used for drawstrings, clothing, backpacks, sports wear, shoelaces, shoe bags, tents, and more.SpecificationColor: WhiteMaterial: PlasticHole Diameter: 7mm / 0.28 inchOverall Size: 14 x 14 x 27mm / 0.55 x 0.55 x 1.06 inch(L xW x H)Packing List: 50 x Spring Toggle StopperAdvantageThe round cord stops are made of hard PP material, light in weight, not easy to break, no need to worry about rusting, can be used for a long time.The spring design of cord locks acts like a clamp that holds the cord tight so it won't slip out. It keeps your cord stays in place and doesn't slip out.InstructionSimply squeeze together to slide the cord lock freely up and down. When released, the tension tightens, keeping the cord lock in place.