Strong design built for the toughest environments including dirt, mud, salt water, indoor/outdoor use and temperatures from -50 degrees F to 150 degrees F. The cord lock spring is made from stainless steel and will not lose its memory. It has a holding strength of 2 to 3 pounds, +/- 15 percent. This package contains the toughest cord locks available! Each toggle stopper measures ~ 15mm x 10mm x 25mm / 0.6 in x 0.4 in x 1 in. Cord locks have double cord stops (single opening that accommodates two pieces of cord) that can hold a ¼ inch cord or two pieces of 4 mm/ 0.157-inch cord. Choose from 6 Packs, 10 Packs, 25 Packs, or 50 Packs. The most versatile tool you didn’t know you needed! These cord locks fit a variety of cords and fabric materials. Commonly used in bug out bags due to their light weight as an emergency tool, camping, backpacking – these cord locks are on just about every backpack - drawstrings for clothing, pants and jackets, shoe strings and laces and are also seen in arts and crafts projects. With 6 different colors to choose from, you will be able to find one that’s a perfect match for your use. West Coast Paracord has more kinds of cord lock than you can imagine! This listing is for an oval shape cord lock. We carry many other shapes and sizes including but not limited to: heart shape, round bubble ball, bean shape, cylinder and more! Made from durable plastic, this strong design is built for the toughest environments including dirt, mud, salt water, indoor/outdoor use and temperatures from -50 degrees F to 150 degrees F. The cord lock spring is made from stainless steel and will not lose its memory.These cord locks fit a variety of cords and fabric materials. Commonly used in bug out bags due to their light weight as an emergency tool, camping, backpacking – these cord locks are on just about every backpack - drawstrings for clothing, pants and jackets, shoe strings and laces and are also seen in arts and crafts projects. With 6 different colors to choose from, you will be able to find one that’s a perfect match for your use.