[Application]: Compatible with Bosch PKS 40,PST 650,PST 680 E,PST 700 PE,PST 750 PE,PST 800 PEL,PST 900 PEL,PFZ500E. [Dimension]: Size of this carbon brushes is about 15x8x5mm/0.59x0.31x0.20inch. [Auto Stop]: With automatic stop function, once the carbon brush wear indicates that the carbon brush needs to be replaced, the machine will stop working. [Function]: Worn brushes are often the cause of a poorly running motor. Replacing brushes can fix an intermittent motor. [Durable Material]: Make of good quality material, long service life, high strength and durability, ideal replacement for your old or worn part., Weight: 0.0440924524 pounds, Manufacturer: eMagTech