Bimetal material provides better performance and life in wood, metal, drywall, and PVC. 3/8" blade allows for small, fine, and controlled cuts. Tool-free fitment allows users to change accessories quickly. For use with Black & Decker/Porter Cable electric oscillating multi-tool, Model No. PC250MT (SKU 364206), and Porter Cable cordless oscillating multi-tool, Model No. PCL120MT.