PACKAGE: 2 Pcs Straight Rigid Scraper Blades, 2 Pcs Curved Rigid Scraper Blades, 2 Pcs Tapered Sealant Cutting Blade, and 2pcs C-Clip Adapters. MATERIAL: Tapered Scraper is made of high-carbon steel. Fine workmanship, wear-resistant, not easy to break, and long life. Straight Rigid Scrapers and Curved Rigid Scrapers are made of Stainless Steel Material. Using high-temperature quenching to enhance durability. APPLICATION: Rigid scraper can remove paint caulk, adhesive Sealant, and soft bonding materials, also work well for paint, grout, and cement. SIZE: Straight Rigid Scraper Blade is 2.9 x 2 Inches (L x W), Curved Rigid Scraper Blade is 2.9 x 2 Inches (L x W), Tapered Sealant Cutting Blade is 4 Inch L The universal interface system design is compatible with more than 95% of the oscillation tools on the market. (For details on the compatible models, please refer to the pictures and product details page). Search "AIRIC BLADES", and you’ll find many types of blades for wood/plastic/metal/grit/mortar.