McMaster 2481T32 Rubber Solid Tread Flat Free Wheel on Aluminum Core, Center Mount Hub with Roller Bearing, 12" Diameter × 2 3 4" Wide G9994932 Tape Width 3 4 in Tape Width 3 4 in Clockwise and Counter clockwise Ratcheting and Locked Position Includes Storage Rack Measurement Type SAE Finish Chrome Primary Application General Purpose ESD Safe No Screwdriver Tip Style Phillips Pozidriv(R) Slotted Square Recess Torx(R) Screwdriver and Nut Driver Grouping Screwdrivers Driver Type 10 in 1 Nonsparking No Bit Retainer Type Magnetic Shank Material Alloy Steel Screwdriver Bit Material S2 Steel Tether Capable Tether Capable Handle Design Ergonomic Tip Style Group Crosspoint Bar Grating Tread Pattern Straight Line Hardness Rating Soft Hardness Durometer 60A Nonmarking Wheels No Minimum Temperature 40° F Maximum Temperature 120° F For Surface Type Asphalt