McMaster 2453T67 V Groove Wheel Track Caster, High Capacity, 4 1 2" × 4" Plate, Swivel with 6" Diameter Wheel G0241701 Body Material Die Cast Body Material Die Cast GGG K 275D Number of Ball Ends 0 Insulated No Number of Tips 2 Material Alloy Steel Mild Alkalis Oil Groove Angle 90° Mount Type Plate Mounting Fasteners Included No Center to Center Length (A) 3 5 8" Center to Center Length (B) 3" Center to Center Width (A) 3" Center to Center Width (B) 2 5 8" Tread Style V Groove Performance High Capacity Country of Origin China DFARS Compliance Specialty Metals COTS Exempt ECCN EAR99 REACH Compliance Not Compliant RoHS Compliance Not Compliant Schedule B Number 871690