Two blades appear to be misaligned but can be straighened back. I got it that way. It sells for $42.01 at Amazon.
The first four photos are the crimper and the others are from ads.
Malco Redline 5-Blade Crimper Malco Blade is composed of Steel Straight cut Snips
Malco Part Number: C5R
According to ads:
5-Blade Crimper
Creates a longer, shallower professional grade crimp
Tighter fitting, leak proof connection
Soft touch, non-slip handle insert
Unique one-hand operation latch
Made in the USA
• Quickly downsize ends of round duct and stove pipe.
• Creates a tight fitting, more self-supporting crimp connection.
• Compound leverage produces 7 to 1 mechanical advantage.
• The 5 Blade Crimper also features Malco’s ergonomic RedLine Handles that won’t wear you down during continual use.