MIDLAND INDUSTRIES 16006 Double Compression Sleeve Hex Nut, 1/2 in Threaded, Brass
MIDLAND INDUSTRIES Double Compression Sleeve Hex Nut, Connection Size: 1/2 in, Connection Type: Threaded, Brass, 0.9 in L, 0.69 in Hex, For Use With: Aluminum, Copper, Plastic Tubing