Comparison : Item # 1031-2403-LH-03-02, 3/8"-24 Male J.I.C. x 5/16"-24 Male J.I.C. Steel MJ-MJ Large Hex Straight
Item # 1031-2403-LH-03-03, 3/8"-24 Male J.I.C. x 3/8"-24 Male J.I.C. Steel MJ-MJ Large Hex Straight
Item # 1031-2403-LH-03-03-SS, 3/8"-24 Male J.I.C. x 3/8"-24 Male J.I.C. Stainless Steel MJ-MJ Large Hex Straight
Item # 1031-2403-LH-04-02, 7/16"-20 Male J.I.C. x 5/16"-24 Male J.I.C. Steel MJ-MJ Large Hex Straight
Item # 1031-2403-LH-04-03, 7/16"-20 Male J.I.C. x 3/8"-24 Male J.I.C. Steel MJ-MJ Large Hex Straight