These heavy duty swivel snap hooks come with a 3/4 inch rectangle-shaped swivel head. It is made for strength and durability. These snap hooks can be used for dog leashes, bag straps, camera bag straps, shoulder straps, purse straps, and so much more.The gunmetal color of this hardware will give your product a nice, beautiful finish. Gunmetal has a much darker appearance than our nickel plated hardware. If you are looking for a darker finish then try out this gunmetal piece!The gunmetal referred to in this product is in color only, not the bronze metal or red brass. Notes on Use: D-rings, buckle, triglides etc. are sized by the webbing or straps they are meant to be used with. These are made for use with 3/4" webbing and/or straps.These high quality snap hooks are used for numerous applications such as:Climbing HarnessesLeashesBackpacksPurse Strap...and numerous other applications or uses.