uxcell 10 Pcs Power Tool 17 x 11 x 5mm Carbon Brush CB303 Auto Power off Product Name : Carbon Brush;Model : CB303 Auto Power off , (Non-OEM) Carbon Brush Size : 17x 11 x 5mm/ 21/32" x 7/16" x 1/5"(L*W*H);Total Length : 45mm / 1.8" (When Spring Stretching) Material : Carbon, Metal;Color : Dark Gray, Silver Tone, Gold Tone Net Weight : 20g Package Content : 10 x Carbon Brush