We use these stainless steel spring snap hooks on a variety of our pack saddles and tack. We use chrome-plated brass for its durability and because it will not rust. All of our hardware is of the highest quality. The spring snap clip size is determined by measuring the inside width; it will match the width of strap you want to use (ie. 1" leather strap will need a 1" snap). The ¾" snap is 3" in overall length. The 1" snap is 3¼" in overall length. of our pack saddles and tack. We use chrome-plated brass for its durability and because it will not rust. All of our hardware is of the highest quality. The snap size is determined by measuring the inside width; it will match the width of strap you want to use (ie. 1" leather strap will need a 1" snap). The ¾" snap is 3" in overall length. The 1" snap is 3¼" in overall length.