Package Includes: as images show, 8 Carbon brushes. Compatible With: Bosch GBH5400 GBH5-38 X GSH38 GBH5-40D A69 Replacement Part. Dimensions: ( 0.9" x 0.49" x 0.25" ). Warm tip : Worn brushes can cause the motor to smoke or spark and should be replaced if it occurs. When replacing carbon brushes, be sure to inspect your armature for burns, cracks, or other damage which can indicate larger motor problems that may not be solved by replacing the carbon brushes. A brand-new, unused, unopened, undamaged item in its original packaging.