Product Name : Cord Lock;Size : 27 x 14mm / 1.1" x 0.6"(L*W) Hole SIze : 8 x 5mm/ 0.31" x 0.20"(L*W);Material : Plastic,Metal Color : Black Net Weight : 19g Package Content : 10PCS x Cord Locks Plastic cord lock is for locking cord for conveneint use.