Lifehammer Safety Hammer Yellow Fixed Blade Knife. 5" overall. Shatters tempered car glass and cuts seat belts. Glows in the dark. Clamping system for screwless mounting on car door. Color: Yellow. Boxed with hanging tab. Specifications for Lifehammer Safety Hammer Yellow Fixed Blade Knife: Manufacturer: Lifehammer Overall Length: 5.5 in Knife Application: Fixed Blade Weight: 0.34 lb Color: Yellow Length: 5.5 in Package Contents: Lifehammer Safety Hammer Yellow