Electrician's kit, cut quickly and neatly through wood, drywall, plastic, nails and other similar materials. 4-piece blade set includes: 2x Bi-metal blades and 2x wood/plastic blades, blade 1: 32 mm Bi-metal wood and nails, blade 2: 32 mm coarse tooth wood, blade 3: 44 mm Bi-metal wood and nails, blade 4: 64 mm coarse tooth wood. Great for notching cabin entry. Easily remove baseboard for heater installations. Bi-Metal blade great for cutting through old wood and nails. Quick release shank. Fits most brand of multi-tool.