Material: Made of high quality ABS plastic, this lightweight and durable chainsaw blade is suitable for most 14"/16"/18"/20" chains on the market (Note: Not compatible with ECHO 16 chainsaws). Easy to install and use: The chainsaw abrasive tool is installed in the abrasive tool, which can be installed and used at any time, so your chain can be sharpened in no time. Keep lubricating oil on the chains and tracks to reduce friction and extend the life. PERFECT DESIGN: In order to adapt to different types of hole chains, the sharpener of chainsaw chain is designed with two holes for fixed sharpening, one hole is fixed, and the other hole moves back and forth, which is very flexible. Check in advance that your electric saw blade has two holes. If your saw blade is single hole, you can remove the sliding rivet, move it back and forth, then install and use. Package includes: 1 sharpener + 3 grinding wheels Easy to use: This chainsaw is lightweight, easy to carry, easy to use outdoors, and can protect your hands from injury. Product Description Feature: The electric saw sharpener is made of high quality plastic and durable grinding wheel. The electric saw sharpener is installed inside the sharpener rod to keep the chain and guide rod lubricated. The grinding wheel is installed in the grinding rod. It is attached to the end of the guide rod when grinding. Easy to use. Material: plastic + 3 grinding wheels. Color: as shown in the figure.