Heavy-Duty Dual Wheel Casters make rolling and turning heavy loads easier than a single wheel.Double the floor contact and when turning a corner, one wheel rotates forward, while the other rotates backward (differential action) making this the preferred mode for manual operations with loads from 500 to 4000 lbs.Standard top plate measures 3-3/4″ x 4-5/8″, bolt hole is 2-5/8″ x 3-5/8″, slotted 3″ x 3″.Large C top plate measures 4-1/2″ x 6-1/4″, bolt holes 2-7/16″ x 4-15/16″, slotted 3-3/8″ x 5-1/4″ (-C in Product No.)Industrial Carts VideoSteel surcharge may apply.Wheel Description PLEXITE – Black phenolic MIRATEK – Red 95 duropoly
