1-5-16-cryomagna-safety-reamer-black-gold-2-hex-shank

Black & Gold surface treatment for added wear resistance
Tapered flute for easy alignment
Heavy Duty design for structural steel applications
Hex shank design to ensure proper reaming without slipping
Dual magnet design in shank to protect against danger and loss. OSHA 29CFR Part 1926.759
Left Hand Spiral/Right Hand Cut for chip evacuation
Chryophase treatment extends the wear resistance and useful life of these Safety Reamers
Hardness – 62-64Rc