They're called Dark Von Knife
Base Attack: 1569
Attack: 20
Physical Attack: 25
Melee Physical Attack: 16
Physical Attack: 25
Melee Physical Attack: 16
HP Absorption: 3% Effect: Make very strong deadly attack to one target.
Highest base damage Daggers there is right now, so if you want the extra power over the Eva or HR of the 173 ones, try and get one.