item.tf

Diamondback

Backpack.tf

Genuine: 13.22 - 13.33 Refined
Unique: 0.05 Refined
Uncraftable: 0.05 - 0.11 Refined
Strange: 25.55 - 25.66 Refined
Collector's: 12 - 15 Keys

Diamondback
Gives one guaranteed critical hit for each building destroyed with your sapper attached or backstab kill -15% damage penalty No random critical hits