Features: Built-in non-slip with rubber handle for comfortable operation. With different sizes for more options: 7mm/8mm/9mm/10mm/11mm/12mm/13mm/14mm (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:Rod Material: Chrome Vanadium SteelHandle Material: PP+TPR Main Color: Red+Black+Silver Screw Head Type: Hex HeadSize Type: 1#/2#/3#/4#/5#/6#/7#/8# (Optional)(1#:H7,2#:H8,3#:H9,4#:H10,5#:H11,6#:H12,7#:H13,8#:h14)Size: (please see the size pictures for specific parts details)φ(mm) Overall Length Rod Handle WidthH7 7,235mm (9.25 inch) 100mm (3.93 in) 32mm (1.25 inch)H8 8 235mm (9." 25 inch) 100mm (3.93 in) 32mm (1.25 inch)H9 9,235mm (9.25 in) 100mm (3.93 in) 32mm (1.25 inch)H10 10,235mm (9.25 inch) 100mm (3.93 in) 32mm (1.25 inch)H11 11,240mm (9.44 in) 105mm (4.13 in) 32mm (1.25 inch)H12 12,240mm (9.44 in) 105mm (4.13 in) 32mm (1.25 inch)H13 13,240mm (9.44 in) 105mm (4.13 in) 32mm (1.25 inch)H14 14,240mm ( 9.44 inch) 105mm (4.13 inch) 32mm (1.25 inch)Quantity: 1 PCPead Includes:1 X Hex Nut Wrench ScrewdriverNote: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!