The Workbench Caster Kit Retractable Casters- 4 Pack is the solution to moving your heavy equipment. Effortlessly relocate your large work bench to your preferred area. Product details Package Dimensions ‏ : ‎ 11.42x7.28x2.56 inches; 6.7 Pounds Included: 4 Heavy Duty Caster Mounts 4 Wrokbench Casters 16 Mounting Screws 4 Mounting Bolts 1 Wrench Benefits of the Retractable Casters 1. Easy to install with full instructions or use the simple to template 2. High quality casters designed with heave duty capacity to hold up workbench 3. Smooth rolling swivelling casters make moving large objects easier