uxcell 10 Pairs 12.7 x 5.5 x 4mm Motor Carbon Brushes for Electric Drill Product Name : Carbon Brush;Carbon Brush Size (Approx) : 12.7 x 5.5 x 4mm/ 1/2" x 7/32" x 5/32"(L*W*H) Total Length(flat) : 33mm/ 1.3" Material : Carbon, Metal Net Weight : 16g Package Content : 10 Pairs x Carbon Brushes