These reduced shank drills are manufactured in Germany. 

This is a of Pac of 6 bits

They are made from hardened tool steel with 2.35mm (3/32) shanks and have an overall length of
45mm. Used for drilling all types of wood, PCB, precious metals, mild steel, bone, sea shells and plastics.

Can be used with Dremel #481 collet or Dremel 3 jaw Chuck #4486