• Patented bit holding system forces bit surface to opposing side for maximum bit retention - strength
• Packaged in patented impact resistant "slide rail" system
• Heat treated socket bases for durability and service ability
• Chrome sockets; S2 and alloy steel bits
• Includes T7, T8, T10, T15, T20, T25, T27, T30, T40, T45, T50, T55 and T60 Tamper-Proof Torx¨ sockets