SPECIFICATION: (LxWxH) 3 x 10 x 13.6 mm (0.12 x 0.39 x 0.54 inch) COMPATIBILITY: Perfect Replacement part fits for BDF452HW, BHP451, BDF451, BTD130FW, BTP140, BTD140, BTD142, BTW251, BHP452, BTD141, BTW253, BJS130, BDA350, BFS450, BFR750, BHP454, BDA340, BDA350Z, BDF451Z, BDF452, BFR750Z and more. EASY TO INSTALL: Replace both worn brushes at the same type in time.Only simple tools are needed. ADVANTAGES OF REPLACING: Fix a motor running poorly and operating intermittently.Restore a motor's electric . colour:As shown Material:Metal Package Contents: 6 x CB-440 carbon brushes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.