Here is one brand new 15 inch Oregon professional chain. 21LPX064G. List $26.29. This chain is .325 pitch .058 gauge and 64 drive links. 20 series is the high performance choice for homeowners, arborists and commercial cutters.This is Oregons newest High performance top performing .325 chain. It has blued square corner chisel cutters for faster cutting, improved strength and corrosion resistance. X grind improves sharpness with substantial speed improvement and improvement in boring and under cutting.