Material-The Torx Screwdriver Bits are made of grade S2 steel with high hardness and toughness.
Magnetic-Magnetic torx security head, it can suck the screws easily when used it.
Dimension-Torx Tip Size T27; Hex Shank Size 1/4";Total Length 25mm/1"
Easy to Carry-The torx bit sets are packed in a plastic storage box, for convenient to store and carry.
Works with Multiple Tools-security screws can be used for manual electric screwdriver, screwdriver, drill, air and other tools.