5pcs T10-T30 Magnetic Security Star BST Screwdriver Bits Kit 1/4 inch Hex Shank 150mm Length

Features: 1. These magnetic screwdriver bits can fixed on the screw firmly 2. These securitystarbits are made of high quality S2 alloy steel, great wear resistant,anti-impact and tough 3. With 1/4" hex shank, the screwdriverbitskitis widely used on electric screwdrivers, hand screwdrivers, electric drills, etc 4. 5pcs security star screwdriver bits in different sizes meet your multiple requirements 5. These magnetic screwdriver bits are suitable for various maintenance   Specifications: Material: S2 alloy steel Hex shank size: 6.35 mm/(1/4") The total length: 150mm/5.91inch Bit size: T10 T15 T20 T25 T30 T10: 4.0mm T15: 4.5mm T20: 5mm T25: 5.5mm T30: 6mm Head type: security star Weight: 129g   Package Included: 5 x Screwdriver Bits