• Stamped and ink filled diameter markings for wear resistance  
• 6-Point design made with forged impact steel for durability in high torque applications backed by our Lifetime Guarantee  Dual hole design and groove for easier attachment  
• Non-slip hex geometry to prevent socket and fastener rounding  
• Lifetime Guarantee covers impact sockets and extensions only  
• Laser etched part number  
• Optimized for use with 1/2" drive impact wrenches, drivers, ratchets, and adapters  
• Kit includes 28 Deep SAE and Metric Sockets and 1 Extension. The following sizes are included: 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, 1-1/16, 1-1/8, 1-3/16, 1-1/4, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 26, 27, and (1) 3" Extension  Impact resistant case with nestability for easy stacking and storage