MULCHING BLADE FOR CUTTING MACHINE TAG LIAERBA TOSAERBA RASER COMPATIBLE SIMPLICITY - MURRAY - SNAPPER FOR MODELS 42 - MODEL - TECHNICAL SPECIFICATIONS LENGTH 539 mm CENTRAL BORE 20.3 mm OUTER BORE - mm INDEX OF CENTRAL HOLES - mm CODE: 13271808 ORIGINAL CODE 1752100AYP , 1752100 SR