PBC Linear RR18 048.000 Linear Guide Rail, Redi Rail, Size 18, 48 in Length, 1.921 in Width, Aluminum Alloy HM485 Removable Shoulder Pads Removable Shoulder Pads 46 Insole Material Polyurethane Chemical Resisting Sole (PRINT) No Puncture Resistant Sole (PRINT) No Liner Technology GORE TEX(R) Style Family Hiker Boot Insulation Weight (PRINT) Not Applicable Ninety Degree Heel (PRINT) Yes Closure Lace Up Maximum Heat Rating (PRINT) Not Rated Construction Cemented Liner Material (PRINT) Synthetic Fabric Upper Material (PRINT) Leather Gender (PRINT) Men's Shank Material (PRINT) Nylon Oil Resisting Sole (PRINT) Yes CSA Standards Met Not Applicable Manufacturer Suggested Sole Slip Rating (PRINT) Best Insulation Technology Not Applicable Maximum Heat Rating Not Applicable ASTM Standards Met (PRINT) Compression (C) Range (F) 0 248 Channel Material Steel Screw Type Low Profile Socket Head Cap Number of Rail Holes 14 Mounting Hole from Shaft End 1 25 in Overall Length 48 in Overall Width 1