32 North has been making this model of ice cleats under the brand name of Stabilicers for over 30 years. They supply this product to the US Military, Postal Service and the whole gamut of industry.
The mate a Vibram sole with 34 replaceable case hardened steel cleats. It features fully adjustable straps and is offered in 7 sizes that accommodate from a 4W to a 17M size shoe. Each ice cleat weighs just under a pound (size large).
It’s simple. If its icy where you are and you don’t want to fall down, use these.