Libraton Hollow Nut Driver Set SAE, Magnetic Hex Drivers, 3 Inch Full Shaft for Long Bolts, 7 Pieces Standard Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16, 1/2

COMMONLY USED SAE SIZES: Libraton hollow nut driver set includes 7 standard sizes for various hex nuts applications: 3/16-in, 1/4-in, 5/16-in, 11/32-in, 3/8-in, 7/16-in, 1/2-in. 3-INCH FULL-HOLLOW & CR-V SHAFTS: The hollow nut drivers are forged from Chrome Vanadium steel (Cr-V steel) to provide great performance and durability, and resist rust. The 3-inch full hollow shaft is for work on long bolt applications. MAGNETIC TIPS: Each hollow shaft nut driver has a premium magnetic ring inside to firmly hold when fastening or loosing the nut or the bolt. Quickly identify the correct size with the markings on the nut driver tip. ERGONOMIC HANDLES: The non-slip handles of the SAE nut driver set provide a secure, comfortable hold and optimal torque. GOOD SERVICE: Please let us know if you have any problems with our magnetic nut driver set. We will provide you with a one-year after-sales service. Our service team will reply to your message within 24 hours.