uxcell 2 Pcs Spring Loaded Motor Carbon Bushes 1/2" x 5/16" x 1/4" Product Name : Motor Carbon Brush;Material : Carbon, Metal Color : Black, Gold Tone;Carbon Brush Size (Approx.) : 12.7 x 7.3 x 6.4mm / 1/2" x 5/16" x 1/4"(L*W*T) Total Length(Approx) : 34mm / 1.3"(When Spring Stretching) Net Weight : 5g Package Content : 2 Pcsx Motor Carbon Brushes