Available versions: 3/8 ''(C = 53mm, D = 35mm, o = 11mm), 1/2'' (C = 59mm, D = 39mm, o = 15mm) , D = 49mm, o = 19mm), 1 ''(C = 73mm, D = 55mm, o = 125mm), 1 1/4'' 2 ''(C = 80mm, D = 71mm, o = 38mm), 2'' (C = 95mm, D = 84mm, o = 50mm) = 65mm) Made of the finest stainless steel A4 - AISI 316 (resistant to sea water)