Makita XT616PT 18V LXT® Lithium-Ion Brushless Cordless 6-Pc. Combo Kit (5.0Ah)

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Efficient BL Brushless motor is electronically controlled to optimize battery energy use for up to 50% longer run time per charge
The BL Brushless Motor eliminates carbon brushes, enabling the BL Motor to run cooler and more efficiently for longer life