Caster Kit, Includes 4 3-inch Universal Adjustable Height 6.5-inch -7.5-inch adjusts in 1-inch increments Plate Casters. 2-3/8-inch x 3-5/8-inch Top Plate. 1-3/4-inch x 3-inch Bolt Hole Pattern. 1/2-inch King Pin. Non-marking Phenolic tread, toe activated brake, 350 Lb. capacity, resistant to Oil And Grease, double ball bearing, operational temp range -50 To 250 F, zinc plated. Applications include: Institutional & laboratory equipment, bakery equipment, stocking carts, food service operations, office equipment. About Us: BK Resources: a leading supplier of Stainless Steel products, plumbing supplies, commercial gas hoses, and refrigeration. They strive to develop products that are built to last, save time, increase efficiency and offer value to the end user. BK Resources products can be found in leading restaurants, bars and night clubs, universities, stadiums and food trucks nationwide.