ULTRA Constructed of 6061-T6 aluminum alloy, ULTRA has the highest strength-to-weight ratio of any compact arm. The 3-axis Isolator keeps stabilized heads undisturbed during aggressive use on the track. The 12’ arm is capable of positioning 55lbs/25kg (65lbs/30kg with Heavylift) payloads around the vehicle at speeds in excess of 75mph/120kmh.