TOOGOO(R) 10 Pcs Cylinder Stoppers 3 Holes Cord Locks for Lanyard Product Name : Cord Lock;Size : 15 x 9 x 25mm / 0.6" x 0.4" x 1"(L*W*H) Hole Diameter : Big:4.6mm/ 0.181",Small:2mm/ 0.07";Material : Plastic Color : Black Net Weight : 17g Package Content : 10 x Cord Locks