These toggle stoppers are convenient for adjusting the length of the string as per your requirement. The main advantage of the Durability and Flexibility of these toggle stoppers makes it perfect to use for different DIY projects These toggle stopper cord locks are made from high-quality plastic material Spring-loaded design, double-hole cord stopper These toggle cord stoppers keep your cord tight & secure Allow fastening clothing and camping equipment Spring installed under toggle for securing grip Easy to apply and use These cord locks are widely used in footwear, backpacks, clothing, hat, shoelaces, pack drawstrings, clothing closures, paracord products etc. The toggle stoppers simply squeeze together and the cord lock can move freely up and down. When released, tension is engaged and the cord lock stays in place Perfect for replacement of missing barrel locks