USER FRIENDLY DESIGN : suitable for nylon webbing or straps. It is made of plastic strength, durability And Easy THE BEST CHOICE For Locking The Strap. Because It Is Easy To Release With One Hand And Avoid Accidental Release. PARTS PERFECT : Great Replacement Buckle, repair For Backpacks, Bags, Dog Collars, Paracord Belts And Outdoor Gear, Etc. This Buckle Will Fit 1 1/4” [32mm.], 1 1/2” [38mm.] Wide Straps. THESE HIGH QUALITY, tension lock triglides are used for numerous applications such as: Harnesses, Leashes, Collars, Backpacks, Purse Straps, belts and much more. This Tension Locks Are Triglides Frequently Seen As Adjusters On Back Pack Straps. They Are Used To Lengthen Or Shorten The Strap. strong Toughness, Making Of Environmental Protection Material.