31399 Oregon Threaded 5/32" sharpening stones 3-Pack replacement 4.0mm
This 31399 Oregon Threaded 5/32" sharpening stone set is compatible with handheld grinders for effortless saw chain sharpening. The pack contains three replacement stones with a threaded 5/32" (4.0 mm) width and 1/8" shaft, which can be easily replaced on most 12-volt electric chain sharpeners. These stones provide a superior cutting edge for saw chains