OEM Altoz Product 2900274
Fits: XP HD / XC 540
Specs: 19"L x 15/16" bore
OEM Altoz Product 2900276
Fits: XP-HD 610 / XC 610 / TRX 610
Specs: 21"L x 15/16" bore
OEM Altoz Product 2900278
Fits: XC 720 & XP 720HD
Specs: 24.5"L x 15/16" bore
OEM Altoz part 2900492
Fits: XC540 & XP-HD540
Heavy Duty Blade
19" - 15/16" Bore
OEM Altoz part 2900493
Fits: XC 610, XP 610HD
21" - 15/16" Bore
OEM Altoz part 2900495
24" - 15/16" Bore