Features: Mainly made of alloy steel with high hardness, heavy-duty and durable, strong enough to provide long service life. Designed to be mag-netic which can easily draw the bits, thus making the job much more efficient. Comes with 7 PH2 bits of different lengths to satisfy different requirements. The bits heads have CNC high precision anti-slip jagged design, making it easier to hold the screws in place while driving screws and unscrewing. With anti-rust coating, wear-resistant and can use for a long time, work with various types of power drills, air screwdriver, manual screwdriver. Specifications: Material: alloy steel Bit size: PH2 Quantity: 7pcs Length: 25mm, 50mm, 65mm, 70mm, 90mm, 125mm, 150mm Package Weight: 123g / 4.33oz Package Size: 16 * 8 * 2cm / 6.29 * 3.14 * 0.78in Packing List: 7 * Drill Bits