BQMAX - 3 PK Semi-Flexible Scraper Blades for Rockwell Sonicrafter, Worx, Ridgid JobMax, Fein MultiMaster, Bosch Multi-X [Contractor Grade] Stainless steel 0.037" thick 2-7/8" L by 2-1/16" W Removes old paint, varnish, hardened adhesive and caulk. Great for sensitive window work. Heat treated for superior strength