This uniquely designed dual-ended knife allows the user to equip two different styles of blades without having to carry two different knives

• Does the job of 2 knives.
• Fast front-end blade changes.
• Mix or match any 2 blades.
• Features safety interlock preventing both blades from simultaneous extension.
• Includes 1 hooked blade for shingles and 1 utility blade for roofing paper