Description: 1.Made of durable blade, wear-resistant and fast cutting 2.The fast blade release mechanism is suitable for most cutting tools on the market 3.Accessories for sawing, cutting, scraping, sanding, forming, polishing and removing grout 4.The set includes standard tooth knives, precision tooth knives, pads and sandpaper for various options 5.Made of high quality material, durable in use. Specification: Material: high carbon steel Use of bimetal blade: High speed steel teeth: used for clean cutting of wood and metal. The crankshaft (offset) is used for flat cuts. Cutting wood, plastic, gypsum board, fiberglass, copper pipe, aluminum profile, etc. .