ROTARY ROTARY MOWER BLADE MTD YARD MAN GUTBORD FOR MOWER MODELS 50 LX50 , MF50-22 ZT , RZT50 , RZT L50 MODEL - TECHNICAL SPECIFICATIONS LENGTH 438 mm CENTRAL HOLE STAR 6-PINT OUTSIDE HOLE 10 mm CENTRAL HOLE INDEX 76 mm CODE: 13271795 ORIGINAL CODE 742-05052A , 942-05052A SR