Sealey topchestsrollcabs with ball bearing runners sealey ap5210tb a topchest from sealey made from heavy gauged steel construction and manufactured with steel inner walls for extra strength and durability heavy duty 45mm ball bearing drawer runners provide superior performance and carry heavier loads full height rear locking mechanism locks full length drawers in multiple locations added security provided by tumbler locks supplied with two folding keys rust and solvent resistant powde