Bi-metal with set wood serration for all wood, plasterboard and plastic materials. Excellent service life, high cutting quality and good work progress. Extremely robust, insensitive even to nails in the wood (up to approx. Ø 4 mm), masonry, etc. Universal Starlock holder, suitable for all common multifunctional tools on the market. Medium width, waisted shape for optimum cutting speed and good chip removal.