Package Include Pack of 10 cord lock Hole Diametereach 6mm 023 inch Plastic double hole cord lock is for locking cord for conveneint use With spring loaded design They are spring loaded and guaranteed to keep your cord tight and secure High Quality Plastic spring srop structure is easyusing Its the start of Environmental Protection Heavy Duty High Quality POM Plastic Durable and Lightweight Widely used for lanyard luggage clothing backpack sportwear shoelace tent and more Our cord locks are fit a variety of different drawstrings and types of cords Can be used on everything from shoelaces pack drawstrings pants closures Paracord products and a variety of outdoor and gym products