Brand: Herschel Parts Fits White/Oliver 619, 625, 719, 819 and 434. 16' heavy curved share. 4 bolts required, (1) 1/2' x 1-3/8' and (3) 7/16' x 1-1/4'. Replaces 219619BS, RCA6R, RCA6S. 3/8″ Thick. Heat-Treated. Painted Black Finish. Sold In Cartons of 6 Only.