UPSPIRIT Portable Electric Drill to Electric 4 Inch Chain Saw Converter Adapter Conversion Head Electric Drill Modified Electric Chainsaw Power Tool Wood Cutter Machine Attachment Features: *1. Comfortable for you to hold also easy to operate, you can assemble it by yourself, which can give you a better operating experience. *2. It is of fine material, ABS hle metal chain, you don't need to change them often. *3. Various woods can be cut, wood work, cut , saw bamboo, etc. *4. Electric drill clamping part 40-44mm (speed needs to be more than 2500 rpm). *5. Easy to use modify, with this tool, you don't need to buy the chain saw, which can save your money. Description: *1. Material: ABS Metal *2. Color: Black *3. Gue plate size: 4 inch *4. Dimensions after installation: about 230x145x95mm/9.06x5.71x3.74in *5. Electric drill clamping part: 40-44mm Package Includes: 1 * Electric chain saw adapter (power drill is not included)