Our universal fit OPEN-LOK™ tapered sealant cutting blade five pack is designed for oscillating multi-tools. This Milwaukee® multi-tool sealant cutting blade is made from solid stainless steel with a tapered triple-ground cutting edge. The tapered shape is ideal for you plunging into sealant in expansion joints, the side ground edges are great for side to side scraping and cutting and the thick kerf extends blade life and maintains rigidity.