Double cutter bar mower blade compatible ESM-BUSATIS DESCRIPTION: Length: 73 mm Width: 101.6 mm Thickness: 2 mm Number of holes: 6 Hole diameter: 6.3/10 mm Hole spacing: 30.8 mm CODE: 90-020 ORIGINAL CODE: 344 1220 , 344 1221 , 344 1230 , 344 1231 , 63-27-04