Armeg Magnetic Drill Bit for Roofing Bolt TWGBDX

Armeg Roofing Bolt Bit for Drill Magnetic TWGBDX Impact Rated Roofing Bolt Driver 14mm (for most 6mm thread bolts) 50mm Long. Unique patented design for easier driving, preventing camming out, and reducing bolt head damage. Rare earth magnet for secure holding and quick change shank for impact drivers. Made in Britain from high-quality alloy steel. Fits most 6mm thread bolts. Patent No. 2 582 316.