This arm rest is for a 4-Wheel Mobility Scooter, Folding Electric Powered Mobility Scooters, Compact Duty Travel Scooter - Long Range Power Extended Battery, With Swivel Seat/ Lights/ Basket And Rearview Mirrors. This is also listed under the brand name VIVE. This has a white mark along the side of it that is why its listed as used, good condition. Other than the cosmetic mark on this it is brand new.