Self Balancing Electric Scooter Safety Handle Accessories(Scooter Not Included) By AUBESTKER STANDARD:Applicable for 6.5/10 inch Electric Smart Self Balancing Scooter hoverboard.Applies for SWAGTRON T1,HOVERZON, POWERBOARD,InMotion MoHawk R6,Skque 6.5'',Not used in SAGWAY LENGTH: 21-41.7inch (55-105cm) .Adjustable(Electric Self Balancing not include).Size:Rod length 20inch (50cm), Ring diameter 3.15-3.42inch (80-87mm). diameter 2.79inch (71mm). FUNCTION:It can not control the direction of self balancing scooter.Its role is to maintain balance,control speed.It may a "pull" handle,like how you would grap and drag your scootter when it is out of power,much safer,more balance,protable to carry your scooter.Start button is very tight, and through aconsultative seller, adjusted loose screws are well resolved. MATERIAL: Aluminum alloy material and the original composition of the original ABS. ATTENTION:If you have any questions, please communicate with us.We will provide you as soon as possible to answer.BYOUKER is registered Trademark by AUBESTKER