4-Pack of 6" Large Size Solid Rubber Casters (2 Swivel and 2 Fixed) Description Overall Height 7-3/8". Double Rows of Hardened Inner Bearings. Finish: Zinc Plate. Features: 6" Diameter x 1-1/2" Wide Rubber Wheels Mounting Plate: 4-1/4" Center Hole to Center Hole by 3" Center Hole to Center Hole Overall Height 7-3/8" Axle: 1/2" Diameter Bolt and Nut Zinc Plated Steel Product Details: Color: Black Brand: Professional EZ Travel Collection Material: Steel Mounting Type: Plate Mount Caster Type: Swivel Is Discontinued By Manufacturer ‏ : ‎ No Package Dimensions ‏ : ‎ 39.37 x 39.37 x 19.69 inches; 220.46 Pounds Date First Available ‏ : ‎ February 2, 2019 Manufacturer ‏ : ‎ EZ Travel Distribution Best Sellers Rank: #521,272 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #2,629 in Plate Casters #2,629 in Plate Casters Customer Reviews: 3.3 3.3 out of 5 stars 3 ratings