Fiskars CarbonMax Retractable Utility Knife

Improved blade security and easiness to use, all of that yet still convenient - and quick - to change blades. The side-blade switch action prevents against accidental blade retraction. When you need to change blades, there are no loose parts so switching out for a fresh blade is convenient and quick. Featuring an onboard storage capacity for 5pcs extra blades to help you work smoothly. The reinforced metal end provides strong resistance against pounding and drops. 

Features:

• Blade retraction mechanism that prevents against accidental blade retraction
• Internal storage holds up to 5 pcs making it quick and convenient to change blades
• Ergonomic handle with SoftGrip™ features dynamic grip pattern for all-day comfort and control
• Metal body for optimal balance and job site durability and a reinforced metal end that provides reliable resistance against pounding and drops
• Includes 1pc CarbonMax utility blade that lasts 24X longer than standard utility blades

Specifications:

• Width: 44 mm
• Length: 177 mm
• Height: 27 mm
• Weight: 110 g

See it on the official website: https://www.fiskars.eu/products/building-fixing/utility-knives-blades/carbonmax-retractable-utility-knife-1027223