The standard #1 art knife, Hyatt's #R5000, holds all the blades below. Perfect for all art projects, model building, stencilling, scrapbooking and any other project that requires a very sharp blade. For a more comfortable grip try the X-Acto Gripster and X2000 handles. Snap off blade knives from Alvin, C-Thru and Olfa give you a new sharp blade edge in an instant! Utilty knives with heavy blades are perfect for cutting thick boards.