Features:
Made of S2 steel, which is a high-hardness material commonly used in hardware.
Not only can you use the bits on hand tools, you can easily insert them to any 1/4 inch hex shank power drill to use.
Strong magnetic Tamper Proof security head can quickly and efficiently suck the screws, preventing them from dropping and slipping, providing more work efficiency.
Widely used in DIY hand-making, household appliances, precision instruments and most general repairs.

Specification:
Material:S2 steel.
Type of head: Pentagon.
Hex Shank:1/4"(6.35mm).
Length:50mm/2".
Tip size:3mm/4.4mm/5mm/6.3mm.
Package content:
4pcs Magnetic Pentagon Head Screwdriver Bits Set.

Notice:
Do not turn the screws with mismatched size to avoid damage to both the screw and the drill.