Brand: Herschel Parts Fits John Deere NU Bottoms. 18' hardfaced left. Replaces A 14243. 5 bolts required. Bolt sizes required: (1) 1/2' x (4) 7/16'. 3/8″ Thick. Heat-Treated. Painted Black Finish. Made of 1080 High Carbon Steel. Hardware Not Included.