spacecare workbench casters kit 600lbs heavy duty quick release 2 mounting options retractable workbench stepdown caster wheels adjustable polyurethane durable steel construction (set of 4) 600 lbs is up for auction in Baby Products. The current bid is $2.00, 95% below the $39.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.