PBC Linear SRM30PD 0600 SL Pre Drilled Linear Shaft Support Rail, Aluminum, 30 mm Shaft Dia, 600 mm Lg G1238842 While not nearly as corrosion While not nearly as corrosion resistant as stainless steel 23 Conductive No Chemical Resisting Sole Yes Waterproof Type Bootie Chain Saw Cut Resistant No Standards ASTM F2413 Wide Toe Cap No Metatarsal Guard No Static Dissipative No Upper Material Description Leather Upper Material Leather Resists Oils 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 Pre Drilled Mounting Surface to Shaft Center 53 mm Mounting Hole Type Threaded Series SRMPD 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 Overall Length 600 mm