Racers edge super hobby reamer features a hardened precision ground and sharpened double flute cutting surface which creates openings that are free from burrs and rough edges Laser engraved markings allow users to create accurate holes from 1mm 18mm in diameter while the robust carbon handle reduces weight and fatigue The polished aluminum safety cap with o ring seal keeps the tip protected while in a tool drawer Features . Super hobby reamer Specifications . Weight 0 272 lbs