uxcell Double Hole Bean Cord Locks Spring Stop Stoppers 4mm Dia 40PCS Black Product Name : Cord Lock;Size : 24 x 20 x 8mm / 0.9" x 0.8" x 0.3"(L*W*T) Hole Diameter(Each) : 4mm / 0.15";Material : Plastic, Metal Color : Black Net Weight : 62g Package Content : 40 Pcs x Cord Locks