TORO 11-38PRO , 12-38 HXL , 12-38 XL , 13-38 HLX , 13-38 XL , 14-38 HXL , HMR-1200 MODEL - TECHNICAL SPECIFICATIONS LENGTH 483 mm MIDDLE BORE 16 mm OUTSIDE BORE - mm MIDDLE HOLE - mm CODE: 13271391 ORIGINAL CODE 57-4700-03 , 57-4700-09 , 57-4700 SR