IVY Classic 36350 Laser Carbide 7-1/4-Inch 60 Tooth Solid Surface and Plastic Cutting Circular Saw Blade with 5/8-Inch Diamond Knockout Arbor, 1/Card Designed for cutting plastics, acrylic sheets, Plexiglas and solid surface materials such as: Corian and Fountain Head. Triple chip ground large C4 modified tungsten carbide teeth, Laser Carbide (Registered Trademark) Industrial duty blade with fully hardened body - Rockwell Hardness 40 - 43 HRC Expansion slots reduce heat build-up and eliminate warping Arbor: 5/8-inch diamond knockout, Kerf: 0.110-inch, Hook: 0-degree