Comparison : Item # 1031-2650-02-02-02-02-FG, 5/16"-24 Male J.I.C. x 5/16"-24 Male J.I.C. x 5/16"-24 Male J.I.C. x 5/16"-24 Male J.I.C. Forged Steel MJ-MJ-MJ-MJ Cross
Item # 1031-2650-04-04-04-04-FG, 7/16"-20 Male J.I.C. x 7/16"-20 Male J.I.C. x 7/16"-20 Male J.I.C. x 7/16"-20 Male J.I.C. Forged Steel MJ-MJ-MJ-MJ Cross
Item # 1031-2650-04-04-04-04-SS, 7/16"-20 Male J.I.C. x 7/16"-20 Male J.I.C. x 7/16"-20 Male J.I.C. x 7/16"-20 Male J.I.C. Stainless Steel MJ-MJ-MJ-MJ Cross
Item # 1031-2650-05-05-05-05-FG, 1/2"-20 Male J.I.C. x 1/2"-20 Male J.I.C. x 1/2"-20 Male J.I.C. x 1/2"-20 Male J.I.C. Forged Steel MJ-MJ-MJ-MJ Cross
Item # 1031-2650-06-06-06-06-FG, 9/16"-18 Male J.I.C. x 9/16"-18 Male J.I.C. x 9/16"-18 Male J.I.C. x 9/16"-18 Male J.I.C. Forged Steel MJ-MJ-MJ-MJ Cross