uxcell 1/2" NPT Male to 1/4" NPT Female Thread Hex Bushing Piping Coupler Product Name : Hex Nipple;Hex Width : 20 mm / 0.79" Thread Size : 1/2" NPT Male to 1/4" NPT Female;Overall Length : 12 mm / 0.47" Material : Brass;Color : Brass Tone Net Weight : 14g Package Content : 1 x Hex Nipple