The MILWAUKEE® Caster Kit is designed exclusively for use with the PACKOUT™ Compact Debris Separator (49-90-2200). The kit includes (4) wheels that easily connect to the bottom of the Debris Separator, offering further maneuverability throughout the jobsite. The casters are a great add-on when using the PACKOUT™ Compact Debris Separator with other vacuums that do not offer PACKOUT™ capability or mounting clips. For stationary use, each caster individually locks in place. The casters offer enhanced durability to withstand jobsite environments. Package Contents: (4) Casters for PACKOUT Compact Debris Separator Features: Exclusively compatible with PACKOUT™ Compact Debris Separator (49-90-2200) Easily connects to PACKOUT™ Compact Debris Separator for increased mobility Includes (4) independently swiveling and locking reinforced casters Reinforced casters and tread are designed to withstand jobsite environments 3" casters