DUPLEX CONICAL ACORN LONG 7/8” HEX – 1.88” LENGTH SKU THREAD SIZE 5250L 1/2” - 20 RH 5252L 7/16” - 20 RH 5254L M14 x 1.5 5255L M12 x 1.5 5256L M14 x 2.0 5257L M12 x 1.25 5258L 9/16” - 18 RH