... ISO9001: 2000 quality system certification. toolbox,tool cabinet,metal tool box toolbox,tool cabinet,metal tool box TBR3007 / TBR3007-X(205B/2050BBS-B)Overall688*458*735mm27.1 ... 4"×1"Casters are used on smooth action slide cabinetTBR3007-X 5"×2"Casters are used on ball bearing slide cabinet seven tool cabinet