Eagle Tool EA56218 Drill Bit, Auger, 9/16-in by 18-in Digital Tools Xmas Sales they are ANSI Level 4

they are ANSI Level 4 rated

Speed [Max] 2000 RPM

Material:Aluminum Alloy

PEC Tools - 262-006TN

The two-piece #DCFM8901 anemometer is ideal for measuring the airflow speed and volume output of exhaust fans and blowers

Eagle Tool EA56218 Drill Bit, Auger, 9/16-in by 18-in Digital Tools Xmas Sales they are ANSI Level 4Made in the USA, these bit are as tough as it gets. Our ultra sharp threads give this bit the best pulling power available. It moves quickly through some of the hardest woods Mother Nature can put in it's way. Three flat non slip grip on the chuck end. Wire fishing accommodation holes in the head and shank. 9 16 inch head diameter, 3 16 inch shank diameter, and overall length is 18 inch. Aggressive and self feeding auger point Heat Treated spring