uxcell Replacement Part 14mm x 4mm x 4mm Spring Carbon Brush for Electric Motor Product Name : Carbon Brush;Carbon Brush Size : 14 x 4 x 4mm/ 0.5" x 0.1" x 0.1"(L*W*T) Spring Length(Approx) : 22mm/ 0.8";Material : Carbon, Metal Color : Black, Silver Tone Net Weight : 3g Package Content : 1 x Carbon Brush,1 x Spring