Listing is for one full set of 27 each right and left hand replacement tines for Ansung Tiller model YJR090, codes 1730-619000 & 1730-619001. These tines are "C" shaped and have two 14.5mm mounting holes for 14mm bolts that are 2" apart on center. These are Heat Treated Boron Steel OEM quality tines that are made in Italy We sell many replacement parts for the various brands of rotocultivators. 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. Specifications Heat Treated Boron Steel Two 14.5mm (5/8"holes that are 51mm (2") on center Plate: 70 mm X 7 mm / 2-3/4" X .275" before forging Wt. 2lbs.