【Cord Ends Caps Item】25 Pack of Black Top Quality Plastic Zipper Pulls Cord Ends Lock suitable for all kinds of ropes less than 3.5mm.Closure Outsize 20 x 12 mm.Please note the size of the product image so that the size is not appropriate .Item does not include rope！ 【Application】Zipper Cord Stoppers are widely used in various of exquisite items or replacement accessories for Sportswear,Boots,Shoeslace,Luggage,Purses,Drawstrings, Outdoor Paracord Knife Lanyard Loops Bracelets Parachute 550 cord rope DIY Project 【Material Design】 Made of Premium Quality Plastic for Strength and Durability. Reopenable Design ,it can be reopened when the rope needs to be replaced or the installation is wrong,and work.18 teeth firmly grip the rope mounted on the cord end 【Easy to use】You can cut the rope to your need length,Char the end edge of the rope before putting the rope into the cord lock,will hold very securely.When plugging in rope,can use a flat-head screwdriver to unfold them,Close and Crimp with pliers 【Tips】If you need to increase the safety, you can put a drop of super glue on the connection between the rope loop and the cable.Please use hand safety when using tools. Note: Small parts, not suitable for children under 3 years old