uxcell 1/8" BSP Male Thread Air Pneumatic Exhaust Noise Silencer Muffler Product Name : Pneumatic Muffler;Male Thread Dia. : 9.5mm / 1/8" Hex Size : 11.8 x 11.8mm / 0.46" x 0.46" (L*W);Overall Length : 28.2mm / 1.1" Material : Brass;Color : Gold Tone Net Weight : 15g Package Content : 1 x Pneumatic Muffler