Eighteen each right and left hand replacement tine for a TMA Series Curtis Rotocultivator which includes eighteen 560104SX (left hand) and eighteen 560104DX (right hand) tines. These tines are 2-3/8" wide and 1/4" (6mm) thick, have two 1/2" (12.5mm) mounting holes 1-5/8" (42mm) on center. If you need more tines just increase the quantity to purchase at checkout. These are OEM quality Italian made Boron Steel Heat Treated tines, not cheap China knockoffs!