Repair Clamp, Bolt Material Steel, Clamp Material Stainless Steel, Clamp Material Finish Not Applicable, Clamp Material Grade 304, For Maximum Copper Tube Size Not Applicable, For Maximum Outside Diameter 1 1/2 in, For Minimum Copper Tube Size Not Applicable, For Minimum Outside Diameter 1 7/8 in, For Pipe Size 1 1/2 in, Gasket Coverage Partial Coverage, Gasket Material Nitrile Rubber, Maximum Operating Pressure 150 psi, Maximum Vacuum Pressure 150, Number of Bolts 1