Extension Drill, Aircraft, Heavy Duty Grade, High Speed Steel, Bright Finish, Split Point, Drill Point 135 Deg, Fractional Size 5/32 In, Decimal Equivalent 0.1562, Flute Length 2 In, Overall Length 12 In, Meets/Exceeds National Aerospace Standards (NAS) 907, Type B RestrictionsCalifornia Proposition 65 Warning: This product contains a chemical known to the State of California to cause cancer. Heavy-Duty Extra-Length HSS Aircraft Drills, 135 Use to drill holes in deep or inaccessible places that cannot be reached with regular length drills. Jobbers length flute makes drills more rigid. Designed for the aerospace industry and made to A.I.A.-NAS-907 Type B 2007 specifications.Split point Straight shank Bright finish