uxcell Concave Replacement 12mm Diameter Pressure Regulator Brass Carbon Brush Country of Manufacture: CHINA; Material: Plastic,Carbon,Brass Net Weight: 17g; Package Content: 1 x Pressure Regulator Carbon Brush Main Color: Black,Brass Tone; Product Name: Pressure Regulator Carbon Brush Brass Part Size: 12 x 28mm/0.47" x 1.1"(D*L); Carbon Brush Size (Approx.): 12 x 11 x 3mm/ 0.47" x 0.43" x 0.12" (L*W*T) Wire Length(Approx): 75mm/2.95"