Bosch Carbon Brush measuring 6 1/2 mm X 8 mm X13 mm is designed for 1380 slim 4 1/2" small angle grinder, GWS 6-115ET, GWS 7-100, GWS 7-125, GWS 720, GWS 7-115, GWS 7-115 E, GWS 7-100 ET, GWS 7-115 ET, GWS 7-100 T, GWS 7-125 T and 3601C88 angle grinders.