PORTABLE & PLUG-IN DESIGN: Compact size allows you to carry the electric chainsaw sharpener anywhere with its plug-in design, so you don't have to worry about the chainsaw being uneffective. You can polish the chainsaw chain carefully. Useful as chain parts and accessories TIME SAVING & EFFICIENT Use the electric chainsaw sharpener to polish the chain without removing the chainsaw chain. Keep your chain in top condition and save money by using the self-sharpening chainsaw tool Material: Made of durable plastic and whetstone. Additional whetstone is provided for replacement. Please note that the whetstone is highly abrasion-resistant and does not require frequent replacement. Greasing the chain and guide rod can reduce friction and extend the life of the product Enjoy your woodworking life: This chainsaw sharpener is lightweight, easy to carry, and easy to use even outdoors. Chain Saw Sharpener provides a simple and fast way to sharpen saw chain A practical tool that quickly sharpens teeth and depth gauges in one easy to use. Compatible with 3/8" pitch chiansaws