TOOGOO(R) 20 Pcs 7x11x18mm Carbon Brushes Replacement for Hitachi 999043 Product Name: Carbon Brush Model No.: 999043; Carbon Brush Size: 7 x 11 x 18mm / 17/64" x 29/64" x 45/64" (L*W*H) Total Height: 47mm / 1.85'' (When Spring Stretching) Material: Carbon & Metal Net Weight: 69g; Package Content: 20 Pieces of Carbon Brush