Features: Built-in non-slip with rubber handle for comfortable operation. With different sizes to get more options: 3/3.5/4/4.5/5/5.5/6mm (optional). Extended to meet your different needs. Hollow shaft, can hold long bolts. Made of chrome vanadium steel, hardened for maximum torque and wear resistance. Great for driving hex fasteners or using long bolts or threaded rod. Specifications:Material: Metal & Plastic Color: As the picture shown Mini Handle Hex Nut Socket Wrenches Repair Tool Size: 3mm 3.5mm 4mm 4.5mm 5mm 5.5mm 6mm Total Length: 165mm Quantity: 1 PcPackage Included:1 X Hex Nut Wrench DriverNote:1. Transition: 1cm=10mm=0.39 inch2. Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid.3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!