Hose clamp set contains the following hose clamps sizes: * 2 pc each of 7/16" to 5/8" and ¾" to 1 ½". * 4 pc each of ½" to 1 1/8" and 5/8" to 1 1/4". * Zinc plated stainless steel construction for maximum corrosion resistance. * Used primarily to hold or attach hose to fittings and to secure connections for various applications