Features and Benefits:

• Patented bit holding system forces bit surface to opposing side for maximum bit retention - strength
• Heat treated socket bases for durability and service ability
• Chrome sockets; S2 and alloy steel bits
• Hard stamped part numbers and sizes for easy identification.
• Lifetime Warranty

Hard steel bits for strength and durability. Patented bit holding principle within socket base for maximum bit retention. Smaller bit socket sets packaged on socket rail.