The Northern Tool Bench Mount Electric Chain Sharpener 193020 is a chain sharpener designed for use with chainsaws. It is a convenient tool for homeowners and outdoor enthusiasts who need to maintain their chainsaw chains for optimal performance. The product is designed to be mounted on a bench for stability and ease of use, making it a practical addition to any workshop or garage. The Northern Tool brand ensures quality and reliability in outdoor power equipment products like this chain sharpener. See pictures as part of description.