Uxcell Spring 999044 Carbon Brush for HITACHI, 18 x 17 x 7 mm, 20 Piece Product Name : Carbon Brushes;Model : 999044 Suitable Motor : HITACHI Power Tool Motor;Carbon Brush Size (Approx) : 18 x 17 x 7mm/ 45/64" x 43/64" x 9/32"(LWT) Total Length(flat) : 42mm/ 1.65";Material : Carbon, Metal Net Weight : 137g Package Content : 10 Packs x Carbon Brushes (20Pcs Included)