<p><b>Why We Offer The Universal Sharpener? </b><br> As we known, over time the performance of chainsaws decreases due to blunt teeth and manual sharpening takes a long time. this seriously affects our work efficiency. <br> Our Chainsaw Sharpener Tool is made of high quality and durable materials. It is installed inside the sharpener, keep the chain and the guide rod oiled, reducing friction and prolonging the service life. <br> <br> <b>Just three steps, let you can get new one chainsaws! </b><br> Step1: Chainsaw Teeth Sharpener is SAFE as the sharpener is enclosed in a box-like kit.  <br> Step2: It is very EASY and SIMPLE to use: just ATTACH the bar-mount sharpener to the sharp guide bar, the two holes on the top of the bar SECURES the chainsaw and makes a PERFECT ALIGNMENT for and EVEN result.  <br> Step3: Then just press the tip of the sharpener to a solid surface and allow it to AUTOMATICALLY sharpen your chainsaw in 3-5 seconds. <br> <br> <b>Compatibility: </b><br> There are 2 pin on the chainsaw sharpener for fixing the chainsaw bar. The second pin is adjustable.The distance between these 2 pin (holes) is about 0.7-1.3inch. <br> This saw chain sharpener fit for 14inch 16inch 18inch 20inch two holes chain saw bar. Not compatible with ECHO 16 inches chainsaw. <br> <br> <b>SOME TIPS: </b><br> 1. You can put some bar oil on the sharpening stone inside the sharpener. so you can push very lightly and very briefly when honing the chain. <br> 2. For the safety of the chain saw, you need to gently press the sharpener to avoid excessive sharpening and damage the sprocket and whetstone. <br> 3. When start the chainsaw, press the foot of the sharpener against a solid object, applying light pressure to let the chainsaw reach the whetstone for 3-5 seconds. <br> <br> <b>Package Included: </b><br> 1x Chainsaw Teeth Sharpener  <br> 4x Whetstones <br></p>