The 2BX72 Drive Belt (Part #: P09555-2) is compatible with Wood-Mizer LT25 portable sawmill models. The approximate life expectancy for this belt is 1,000 hours. To increase life expectancy, make sure it always has proper tension. You may need to replace your 2BX72 Drive Belt if you notice any fraying, cracking, or if you run out of adjustment to keep the proper tension. In addition to following the maintenance schedule in your manual, the 2BX72 Drive Belt will help keep your equipment in great condition so you can continue to enjoy your Wood-Mizer for years to come!