28 x carbon brushes: 8*a + 20*b
The coils of the motor must be connected to an electrical circuit to complete the right use.
Carbon brush is a point easy to break if it works.
Product name: Carbon brush
Model Number: CB153
Mass of the brush: 6.3 x 13.3 x 17 mm (L x W x H)
Suitable: Electric angle grinder, drill
Carbon brushes Size: 12 x 9 x 6 mm
Overall length: 37 mm (with extended spring)
Material: coal, metal
Color: As shown
Net weight: 96g
Scope of delivery: 28 x carbon brushes