item.tf

Diamondback

Backpack.tf

Genuine: 6 - 6.11 Refined
Unique: 0.05 Refined
Uncraftable: 0.11 Refined
Strange: 12.88 Refined
Collector's: 6 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