uxcell Brass 3/8"PT to 1/4"PT Male Thread Hex Nipple Pneumatic Quick Coupler Product Name : Hex Nipple;Hex Width : 1.6 cm / 0.63" Male Thread Size : 3/8" PT to 1/4" PT;Overall Length : 2 cm / 0.79" Material : Brass;Color : Brass Tone Net Weight : 10g Package Content : 1 x Hex Nipple