McMaster 2787T412 Viking Caster, High Capacity, Swivel with Lock and Nylon Wheels, 4" Wheel, 1,600 lb G306602783 1⁄2'' with 3'' blade length 1⁄2'' with 3'' blade length dust and sand during hand 0000 USMCA Qualifying No Oil Mount Material Zinc Plated Steel Mount Type Plate Mounting Fasteners Included No Center to Center Length (A) 5 1 4" Center to Center Length (B) 4 15 16" Center to Center Width (B) 2 7 16" Mount Plate Length 6 1 4" Mount Plate Width 4 1 2" Performance High Capacity Bearing Construction Dual Raceway Swivel Lock Activation Twist Ring Temperature Range 40° F to 250° F Tread Style Flat Wheel Tread Filler Material Glass Wheel Tread Material Nylon Country of Origin China DFARS Compliance Specialty Metals COTS Exempt ECCN EAR99 REACH Compliance Not Compliant RoHS Compliance Not Compliant Schedule B Number 871690