Fly Shop Black Plastic Double Holes Spring Cord Locks Ends Stoppers Toggles Big (30 pieces, Clear) 1-3 week to USA with track number, 2-5 week to other country Hole Size4mm / 0.16''(Dia) Size: 18mmx 16mm x 6mm / 0.7'' x 0.6'' x 0.2'' (L*W*H) Brand Name:Fly Shop Package Content : 30 x Cord Locks