Multi-tool blades are designed for high performance and maximum versatility Universal fitting for use on most brands of Multi-Function Oscillating power tools Includes 10mm x 30mm CrV Straight edge saw blade (for wood & plastic) 20mm x 40mm CrV Straight edge saw blade (for wood & plastic) 34mm x 40mm Bi-metal Straight edge saw blade (for metal, wood & plastic) 87mm Ř Bi-metal Semi-circle/segment saw blade (for metal, wood & plastic) 52mm Rigid scraper/grout remover