Portable Proprietary Bar-Mount Chain Saw Sharpening Tool Chainsaw Teeth SharpenerPERFECT FIT: The safe and easy chain saw sharpener makes your chain and grindstone fit together, sharpening your 14/16/18/20 inch chain saw with two holes anytime, anywhere.(Not suitable for ECHO 16 inch chainsaw)CHAINSWA SHARPENING DESIGN:Chain saw sharpening with two holes for fixing the sharpening knife, suitable for 14/16/18/20 inch chain saw work, gently squeeze the end of the guide rod during sharpening,it can be sharp sharpening.EASY TO USE:Chainsaw sharpener made of high-quality and durable materials, the chain saw sharpening tool is installed inside the rod sharpener to keep the chain and guide rod oiled, reducing friction and prolonging service life.CHAINSAW TOOL:Chain saw blade sharpener kit Lightweight and portable, the chain saw sharpening tool is easy to use outdoors. It is the most practical tool and best gift for your father or husband to increase productivity.