Twenty Five each Left Hand and Right Hand replacement blades for Bush Hog Brand model HGM disc mowers. Fits Models HGM7, HGM8, HGM9 AND HGM10 disc mowers . Blades measure 108mm long X 48mm wide, 4mm thick and have a 21mm mounting hole. Featuring dual cutting edges these blades can be flipped over for extended life. Also sold by the pair, one left hand and one right hand, just change the quantity ordered to meet your needs! We sell many replacement parts for the most manufacturers of disc mowers, tillers, finish mowers, spreaders, 3-point hitch hay tedders and sickle bar mowers. If you don't see the parts you need listed please contact us we would love to earn your business. We are listing new items frequently so please check our store often. Part Number: 00787166 & 00787167