Strong hobby knife with sharp edge angled blade and a twist lock shatter resistant safety cap Five extra blades include: two #24 blades, one #2 blade, one #19 blade, one #22 blade. Engineered with a thick machined aluminum shaft and plastic handle Includes 4 jaw aluminum chuck for more secure blade positioning and hold than your standard heavy duty knife Perfect for precision cutting, trimming, stripping of paper, plastic, wood, and more. Light weight body fits with all heavy duty craft knife blades including Xacto Knife blades. Made in the USA