Oregon 100791X PowerMate Chainsaw Drive Sprocket - SPECIAL ORDER Challenge Xtreme 3005000305 uses a 3/8" low

3005000305 uses a 3/8" low profile pitch saw chain

Oregon 160SDEA041 - 16" (40cm) Chainsaw Chain Guide Bar

75DPX084E - Oregon Chainsaw Chain - 84 Drive Links

metal etc - striking hard objects will destroy / shatter the cutters

This WILL NOT fit the cheap Chinese saws available which use a different 76 link chain

Oregon 100791X PowerMate Chainsaw Drive Sprocket - SPECIAL ORDER Challenge Xtreme 3005000305 uses a 3/8" lowOregon 100791X PowerMate Chainsaw Drive Sprocket System A complete sprocket system including a clutch cup with spline and a replaceable rim sprocket. The rim floats freely on the spline, maximizing chain bar alignment and the rim is replaceable which extends the life and increases the value of the sprocket system. The system provides smoother cutting and less chain jumping and wear. A needle bearing is not supplied with this particular sprocket.