5 Pcs 150mm 1/4 Hex Shank T10-T30 Magnetic Security Star BST Screwdriver Bits
Bit size: T10 T15 T20 T25 T30. These screwdriver bits are magnetic head, so they can fixed on the screw firmly. These screwdriver bits are adopted of high quality S2 alloy steel, which is anti-impact and tough, great wear resistant.