The Fein Wood & Metal Cutting Oscillating Blade Set is a comprehensive collection of 6 E-Cut plunge cut saw blades designed for sawing work in both wood and metal. Compatible with all FEIN MultiTools and other commercially available multi-tools. Includes (6) blades: (2) 1-3/8 In. long life oscillating blades, (2) 2-1/2 In. long life oscillating blades, (1) 2-1/4 In. x 1-1/8 In. universal oscillating blade, and (1) 2-1/4 In. x 1-3/4 In. universal oscillating blade.