Designed to fit the Dewalt range of oscillating multi tools, including the DCS355 cordless and the DWE315 corded. This DeWalt DT20717 Multi-Tool Blade has carbide grit and is designed for grout removal. The blade is quick and easy to change and fits all common oscillating tools. Specifications: Blade length: 25mm Blade diameter: 95mm Blade thickness: 3mm