PBC Linear SRM25 0400 SL Linear Shaft Support Rail, Aluminum, 25 mm Shaft Dia, 400 mm Lg R38S100 inch pound inch pound 54 Tether Capable Tether Capable Head Color Blue Features Rockwell 30 RHC Head Tether Style Standard Tool (Accessory Needed for Tethering) Face Shape Round Replaceable Handle No Grip Style Ribbed Face Texture Smooth Series Ergo Power Grip Material Rubber Striking Surface Hardness 30 HRC Non Sparking No Face Material Soft Safety Steel Dead Blow Hammer No Tether Ready No Hammer Type Sledge Hammer Linear Shaft Support Rail Material Aluminum Mounting Hole Center to Center 200 mm Finish Unfinished For Use With Linear Shafting Shaft Material Carbon Steel Product Type Linear Support Rail Shaft Material Grade 1060 Standards ISO System of Measurement Metric Support Rail Material Aluminum Support Rail Drilling Undrilled Mounting Surface to Shaft Center 42 mm Mounting Hole Type Threaded Series SRM Profile Type Standard Profile Mounting Hole Center to Shaft End 100 mm Surface Hardness Minimum 60 HRC Rail End to Hole 100 mm Country of Origin United States