Features: Built-in anti-slip rubber handle provides comfortable operation. With different sizes for more options: 3/3.5/4/4.5/5/5.5/6mm(Optional). Extended length to meet your different needs. Hollow shaft, can accommodate long bolts. Made of chrome-vanadium steel, hardened for maximum torque and wear resistance. Great for driving hex fasteners or using on long bolts or threaded rod applications. Specifications: Material: Metal & Plastic Color: as shown in pic Mini Handle Socket Wrenches Hex Nut Repair Tool Size: 3mm 3.5mm 4mm 4.5mm 5mm 5.5mm 6mm Total Length:165mm Quantity: 1 Pc Package includes: 1 X Hex Nut Key Screwdriver Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not 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!