Features 7 Different Sizes: This electric screwdriver bit has different sizes among them, which can meet your different needs of use, very practical. Excellent Alloy Steel Material: This electric screwdriver bit is made of excellent alloy steel material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. Magnetizer: This electric screwdriver head set comes with a magnetizer, which can be used to add magnetism after multiple uses. Wide Application: This electric screwdriver bit has a wide range of applications for cars, repairs, trucks, engines, motorcycles, computers, cable boxes, toys, upholstery, dashboards, appliances and consumer electronics. Compact And Portable: This electric screwdriver bit is small in size and light in weight, which is very convenient to carry and use on the go. Spec: Item Type: Cross Screwdriver Bit Material: Alloy Steel Application Scope: Used in automobiles, repairs, trucks, engines, motorcycles, computers, cable boxes, toys, interiors, dashboards, electrical appliances and consumer electronics. Size: Length: Approx. 150mm/5.9in, 127mm/5in, 90mm/3.54in, 70mm/2.76in, 65mm/2.56in, 50mm/1.97in, 25mm/0.98in How to Use: Remove the cross screwdriver bit, install it and use it. PackageList: 7 x Cross Screwdriver Bits 1 x Magnetizer Package List 7 x Cross Screwdriver Bits 1 x Magnetizer