These knives create elaborately detailed cuts, perfect for precision cutting and trimming paper and other lightweight materials. The A-1 Aluminum Light Duty Knife (AA17960) features an aluminum barrel with two textured grip areas to prevent slipping. The A-1 Comfort Grip Light Duty Knife (AA17962) features a comfortable grip and non-slip handle designed to avoid rolling. Each comes with one A-11 carbon steel blade and a hard plastic safety cap. Replacement A-11 blades are available in either a reusable plastic case of 5 (AA17981) or a bulk pack of 100 (AA17981100).