APPLY TO - Widely used for lanyards, luggage, clothing, backpack, shoelaces, tents, and more.SPECIFICATION:Color: White;Material: Plastic, MetalHole Dia: 5mm/0.2";Size: 18 x 20mm/0.7" x 0.8"(Dia*H);Product Weight: 45g;QUANTITY INCLUDED - 20pcs x Cord LocksADVANTAGE - The spring cord lock is made of plastic, durable and lightweight, not easy to break, and convenient to useINSTALL: 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 hole to choose the proper cord lock.