Light weight aluminium body engineered with a textured grip handle for maximum control Includes two #11 blades, one #10 blade, one #16 blade, one #17 blade Includes 4 jaw aluminum chuck for more secure blade positioning and hold than standard light duty knifes Perfect tool for designers, arts and craft professionals and many other applications. Designed for trimming wood, plastic, paper, leather and more. Fits all standard size hobby and craft knife blades including Xacto Snug fitting, twist lock shatter resistant safety cap to protect blade during storage