RJ-572200-2 - RockNut (1 1/4 in. LH Thread) SKU RJ-572200-2 $54.00 Quantity discounts available QuantityPrice Quantity -+ Add to Cart Details CNC machined 1018 steel RockNut features 1 1/4 in.-12 LH threads, is 2 in. tall and requires a 1 7/8 in. wrench.Finished in black zinc plating. Details Back DetailsCNC machined 1018 steel RockNut features 1 1/4 in.-12 LH threads, is 2 in. tall and requires a 1 7/8 in. wrench.Finished in black zinc plating.