Features:1. Used for polishing cement, grit, grinding and removing grout and ceramic tile.2. Special designed fitting can directly fit for many kinds quick change multifunction power tools.3. Very easy to assemble or removal with these multi tools.4. Lasting performance, great replacement for your old and damaged saw blades.5. The universal interface can match a variety of machines.Specifications:Weight: Approx. 61g Size (Approx.) Material Semicircle Saw Blade 52mm / 2.05inch HCS + Carbide E-shaped Saw Blade 79mm / 3.11inch Cemented Carbide Curved Saw Blade 75mm / 2.95inch Cemented Carbide Package Included:1 x Semicircle Saw Blade1 x E-shaped Saw Blade 1 x Curved Saw Blade Note: Only saw blades, no other stuff included.