Compatible with Performance Power Punch FMTC620RHK 620W impact drill for restoring motor function. Each brush measures 14.5 × 7.5 × 6.5mm, the precise sizing helps maintain stable electrical contact and supports consistent rotation of the drill during use. The brushes are made of carbon that supports stable electrical contact during tool operation. These carbon brushes help maintain proper motor operation by ensuring continuous electrical transfer to the armature. The brushes install inside the motor brush slots where they press against the commutator to deliver electrical power., Manufacturer: EMSea