Listing is for one each right and left hand Baltic Tiller Tine, codes 04500059 and 04500060 for models 70-180. With 5/8" mounting holes 1.87" on center. 
Specifications
Heat Treated Boron Steel
Two 17.5mm(0.688") holes that are 47mm (1.87") on center
L: 206mm (8.11")
H: 100nn (3.94")
Plate: 80 mm X 8 mm / 3.15 in X 0.31 in before forging
Use diagram in pictures to view reference of "H", "L" measurements
 
Part Number: 1 each 04500059 / 04500060