The BBT-19 is a heavy duty shop quality tool made from investment cast steel.
It is used for installing and removing Shimano / Race Face / FSA / Campagnolo and Truvativ sixteen-notch external bearing bottom bracket cups.
The BBT-19 can be turned with a 3/8 inch drive torque wrench / 3/8 inch ratchet driver / 1 inch wrench or FRW-1 Freewheel Remover Wrench.