MIDLAND INDUSTRIES 16007 Double Compression Sleeve Hex Nut, 5/8 in Threaded, Brass
MIDLAND INDUSTRIES Double Compression Sleeve Hex Nut, Connection Size: 5/8 in, Connection Type: Threaded, Brass, 1.07 in L, 0.88 in Hex, For Use With: Aluminum, Copper, Plastic Tubing