Here are the Firestone options.
Firestone FR380
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Originally Posted by Firestone website
Whatever the season, whatever the road surface, count on the FR380 to deliver performance on demand. The tread design channels water away to enhance wet traction. Biting edges give you the added advantage of grip in snow, as well as in wet conditions. With the great value price, the large selection of sizes plus a strong warranty, it is no surprise that the FR380 is one of Firestone's most popular tires for year round travel.
All-season block tread design - Improves wet handling and provides strong grip in snow.
Four circumferential grooves - Channels water out of the footprint area.
Computer-generated random pitch sequencing - Reduces the noise.
Polyester cord body - Results in a smoother ride and two steel belts resist cuts and impacts.
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UTQG - 400 A/B
Weight - 13 lbs.
Tread Depth - 9/32"
Max Load - n/a
Max Inflation Pressure - n/a
Firestone Winterforce
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Originally Posted by Firestone website
The Firestone Winterforce is "siped and studable" for good winter performance. Its directional, computer-modeled tread design helps to deliver confident snow, wet and ice traction. The Firestone Winterforce is designed to deliver a quiet and comfortable ride to get you to your destination--regardless of the weather conditions.
Severe Snow Performancem - Meets the severe snow service requirements of the Rubber Manufacturers Association (RMA) and the Rubber Association of Canada (RAC).
Pinned for #12 studs - Extra traction potential
Directional Tread Pattern - Optimizes wet and dry performance through tread design
High-sipe density - Latest in high-sipe density, three-dimensional tread patterns for confident snow, wet and ice traction. Mud and snow rated.
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UTQG - n/a
Weight - 15 lbs.
Tread Depth - 3/8"
Max Load - n/a
Max Inflation Pressure - n/a