This DEWALT 100mm Multi-Tool Blade is specifically designed for flush cutting applications, and has a bi-metal construction for improved durability. The DT20710 blade is quick, easy to change, and fits all common oscillating tools. Suitable for use on the following materials Wood with nails. Wood. Drywall. PVC. Specifications Blade Length 23mm. (0.91in). Blade Width 100mm. (3.94in).