Material: plastic, metal Dimensions: 2 x 1.4 cm, hole diameter 4 mm Quantity: 50 pcs ( color random delivery ) The dual holes provide extra security for shoelace clips, lock laces, or hiking gear, while the heart shape adds a cute touch your projects These rope lock end spring stop adjusters can be used to fit a wide range of pull ropes and different types of ropes, pull ropes, shoelaces, lanyards, luggage, garments, rucksacks, sportswear, trousers, bags, camping or DIY crafts and more These rope lock end spring stop adjusters can be used to fit a wide range of pull ropes and different types of ropes, pull ropes, shoelaces, lanyards, luggage, garments, rucksacks, sportswear, trousers, bags, camping or DIY crafts and more