GRENPRO Allen Wrench Drill Bit Set, 22PCS 4-Inch Metric & SAE Impact Bits

GRENPRO Allen Wrench Drill Bit Set, 22PCS 4-Inch Metric & SAE Impact Bits

• Complete Hex Bit Set: GrenPRO hex head allen wrench drill bits sets include 11 pcs Metric (1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 5 mm, 5 mm, 6 mm, 7 mm, 8 mm) and 11 pcs SAE (5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 1/4", 5/16") with 1/4" quick release hex-shank, 4" long
• Enhanced Durability and Longevity: Hex key set features torsion zone to absorb torque peaks to avoid breakage with 15 times life expectancy versus standard bits, designed for impact driver and heavy screw driving
• Strong Magnetic Design: Impact driver bit set features strong magnetic and high precision where each edge can be accurately locked screws, strengthened magnetic impact bit helps you easy pick up screws and the magnetism doesn't decay after multiple uses
• Premium Construction Materials: CNC machined tips with S2 alloy steel body and hardened core to increase bit strength and reduce fracture, Manganese Phosphate surface to prevent rust with upgraded orange protective cover for double anti-rust effect
• Versatile Applications: Hex Bit Socket Set widely used in household maintenance, automobiles, various screw drives, and other tool projects with professional customer service support available