Made of superior aluminum alloy material, it is anti-rust and durable. Extra balance & stability, add a handlebar for balance and support while riding your hoverboard. It is more safe and easier to ride your hoverboard. Telescoping design accommodates riders of all heights, suitable for both kids and adults. Applicable for 6.5 inch, 7inch and 10 inch electric smart self balancing scooter hoverboard. Features: Made of superior aluminum alloy material, it is anti-rust and durable. Extra balance & stability, add a handlebar for balance and support while riding your hoverboard. It is more safe and easier to ride your hoverboard. Telescoping design accommodates riders of all heights, suitable for both kids and adults. Applicable for 6.5 inch, 7inch and 10 inch electric smart self balancing scooter hoverboard. Descriptions: Easy installation and portable to carry. With snap ring to buckle in the middle of hoverboard, then adjust the height of the rod. Professional design, great for beginners. Specifications: Material: Aluminum alloy Length: 50-105cm adjustable Snap ring: diameter: 8cm Color: black, silver Package included: 1 x Safety Handle Stent(It is suitable for 6.5" and 10" Balancing Scooter, but the perimeter of the smallest part of the Balancing Scooter must not exceed 22cm/8.66", but the middle is not circular can't use,Please refer to the picture,thanks!) Notes: 1.Due to the difference between different monitors,the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.Thanks!