This caster comes with a M12-1
it weighs in at an impressive 40% less than its standard rubber counterparts
UPC Product: 00755652220077
Catches leaks and drips
lightweight and chemical-resistant
Walter Depressed Center Grinding Wheel, Type 27, 0.25 In Thick, Zirconia Alumina 3-7/8" MCH This caster comes with aDimensions Thickness 0. 25 in Diameter 7 in Arbor Size 5 8" 11 Details Item Depressed Center Grinding Wheel Abrasive Wheel Type Type 27 Abrasive Material Zirconia Alumina Series XCAVATOR Application Hard Metal, Stainless Steel, Steel Grade Extra Coarse Description Depressed Center Grinding Wheel, Thickness 0. 25 in, Abrasive Material Zirconia Alumina, Series XCAVATOR, Grade Extra Coarse, Application Hard Metal, Stainless Steel, Steel Restrictions