Feature: For sealing hoses against leaking. Made of stainless steel, corrosion-resistant, will not rust and break. These hose clamps can be easily released or tightened the bolt by a screwdriver to adjust the band diameter range. widely used in securing hoses, pipe, fuel lines, automotive, marine, etc. Note: Please check the specific dimensions of the product based on the second picture. Measurement is the diameter of the hose clamp. Please measure the size of your pipe before purchasing it.