Features and Benefits: Design of socket and bit assembly allows for easy replacement of broken or worn bit. Sockets marked with size for easy identification; Comes with color coded storage rail; Precision tip profile manufactured for positve and precisie fastener engagement. Tips sized appropriately to 1/4", 3/8" and 1/2" square drive for maximum torq and minimum damage to tip or fastener.; Bits made from S2 tool steel with proprietary heat treat for superior strength and durability; Fully polished, chrome plated sockets for superior corrosion resistance; 11 PC TORX Plus Socket Bit Set