McMaster 50715K573 37 Degree Flared Fitting for Stainless Steel Tubing Straight Reducer for 1 2" Tube OD x 3 8" Tube OD G0339862 54 Features Rockwell 30 RHC 54 Features Rockwell 30 RHC Head Head Color Blue Tether Capable Tether Capable Handle Color Black Handle Design Ergonomic Tether Style Standard Tool (Accessory Needed for Tethering) Grip Material Rubber Non Sparking No Face Texture Smooth Striking Surface Hardness 30 HRC Series Ergo Power Grip Style Ribbed Tether Ready No Hammer Type Sledge Hammer Face Material Soft Safety Steel Replaceable Handle No Dead Blow Hammer No Face Shape Round OPC 23190 UL Type 21S Metal Detectable No UPC 78621080510 Operating Temp A complete fitting requires a nut and a sleeve (ferrule) for each tube end Phosphoric Acid