APPLY TO - Widely used for lanyards, drawstrings, luggage, clothing, backpack, shoelace, laundry bag, jacket, hat, storage bag, hammock, tent, outdoor, gym products and other use.SPECIFICATION:Color: BlackMaterial: Plastic, MetalTotal Size: 19 x 16 x 8mm/0.75" x 0.63" x 0.3"(L*W*H)Cord Hole Size: 4 x 3.8mm/0.16" x 0.15"(L*W)QUANTITY INCLUDED - 6pcs x Plastic Cord Locks:ADVANTAGE - Made of plastic, durable and lightweight; The tough internal spring is built for long-lasting performance, flexible enough for easy use.INSTALL: To use the cord lock, insert both ends of the cord into the ¼-inch hole forming a loop that is adjustable by moving the cord lock.Note: Please according to the thickness and width of your cord to choose the proper cord lock.