Sterling Retractable Yellow Knife ThumScrew

• Quick Release thumb-lock screw
• No screwdriver needed to change blades
• Ideal for packaging, light industry and general trades
• Ribbed body for improved hand grip with gloves
• Die cast zinc construction for longer life
• Large overlap above and below blade to prevent injuries
• Ergonomic shape fits all size hands
• Hi-vis safety yellow stands out for easy locating
• Includes 3 blades