Double blade, curved "Carbodux" Compatible ESM-BUSATIS DESCRIPTION: Length: 75 mm Width: 101.6 mm Thickness: 2.5 mm Number of holes: 4 Hole diameter: 6.3 mm Hole spacing: 30.8 mm CODE: 90-021 ORIGINAL CODE: 344 1240 , 344 1241 , 344 1310 , 344 1311 , 63-49-02