DescriptionMade of premium alloy steel, the screwdriver bits are durable and long lasting use. With good workmanship, high precision, it is practical in use. Not easy to rust, more durable, long service life. It is useful to operate electronic device, perfect for electrician, mechanic and repair work.Features- Color: As Shown. - Material: S2 Alloy Steel. - Size: 7.50X0.50X0.50cm/2.95X0.20X0.20inch. - Widely applied in mechanical maintenance, household disassembly, electronic assembly, etc. - High-quality material and fine craftsmanship, durable and heavy duty for a long time. - You will receive 8 pieces of screwdriver bits, enough to meet your needs. - The screwdriver bits head is magnetically treated for easy operation and use. - Lightweight and portable, more convenient to store and carry out.