Features: * Made of steel material, general heat treatment, HRC hardness 60 2, large torque, good toughness. * The surface is bluish and is resistant to rust. * Powerful function: strong magnetic, can easily suck the screws when you use it .* Wide application: can be used for hand-held electric screwdriver, screwdriver, drill, air and other tools. * Exquisite workmanship, each edge can be precisely locked screws, no damage to the screw and screwdriver bits. * Professional multi-size package, hexagonal handle 65mm long. Use different sizes to screw, it will damage the screwdriver and screw! Using the right screwdriver, you spend less effort, and you can easily unscrew the screws! Specification: Product Name: Triangular Screwdriver Material: Steel Color: Navy Blue Type: Triangular Length: (Approx.) 65mm Shank Size: 6.35mm (1/4 Inch) Optional Size: 1.8mm, 2.0mm, 2.3mm, 2.7mm Suitable for: Handheld Electric Screwdriver, screwdriver, drill, air and other tools. Quantity: 1 pc Package includes: 1 screwdriver Note: 1. Transition: 1cm = 10mm = 0.39 inch.2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual deviation for data measurement. Made of high quality material, durable and practical to use.