Kit includes 4 handles and 12 blade cartridges Spring-activated blade guard closes after each cut Blade guard can be manually locked when not in use 100% Stainless Steel Blades – FDA Compliant Environmentally friendly blade cartridges Lightweight and ergonomic handle Dishwasher & Sanitizer Safe Built-in tape splitter Replacement blades: CSI Xtra-safe Safety Blade Cartridges 12 Pack – Crewsafe CSI-C10