Easywisdom 50PCS Plastic Black Round Spring Loaded Cord Lock Stopper Toggles 2 Holes Clothing Hood Adjuster Fastener with Free Cable Organizer Package included 50 pcs of cord locks . Hole Diameter : 4mm / 0.16"; Material : Plastic,Metal Demisions:17 x 13 x 13mm / (LxWxT) Spring Loaded Cylinder Style Lock. Color:black