item.tf

Razorback

Backpack.tf

Vintage: 1.22 - 1.33 Refined
Unique: 0.05 Refined
Uncraftable: 0.11 - 0.22 Refined
Strange: 4.44 - 4.55 Refined
Collector's: 7.5 - 9.9 Keys

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