item.tf

Razorback

Backpack.tf

Vintage: 2.77 Refined
Unique: 0.05 Refined
Uncraftable: 0.05 - 0.11 Refined
Strange: 7 - 7.11 Refined
Collector's: 51 - 53 Keys

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