Makita DCS553Z 150mm (5-7/8″) Cordless Brushless Metal Cutter 18V LXT® Li-Ion (Bare Tool Only) Step Drill Bit it has an automatic brush

it has an automatic brush cut-off system that protects the commutator

bit) : 28 mm (1-1/8")

Electronically induction hardened and hand-honed long lasting cutting edges

Turn table right or left : 45 degrees

Makita DCS553Z 150mm (5-7/8″) Cordless Brushless Metal Cutter 18V LXT® Li-Ion (Bare Tool Only) Step Drill Bit it has an automatic brushHIGHLIGHTS: Drastically Shortened Overall Length for Increased Maneuverability Built in dust collection box for cleaner work environment Metal chip dust can be thrown away by just opening the dust box cap Increased speed (4,200 RPM) provides more comfortable operation for light load application Cuts 51 mm (2) conduit in a single pass BL motor eliminates carbon brushes, enabling the BL motor to run cooler and more efficiently for longer life BL motor