item.tf

Razorback

Backpack.tf

Vintage: 1.55 - 1.77 Refined
Unique: 0.05 Refined
Uncraftable: 0.11 Refined
Strange: 6.22 - 6.33 Refined
Collector's: 14 - 17 Keys

Razorback
Blocks a single backstab attempt -100% maximum overheal on wearer