METAL CONSTRUCTION & THROTTLE GRIPS Premium metal construction including metal throttle grips with rubber pads - the VMAX Prime means business and always ensures you have full control of your aircraft. NEW ERGONOMIC THROTTLE GRIPS Our brand new throttle grips are shaped to fit the natural shape of your hands and offer incredible comfort while you are in the air. The key layout has been revised from our previous throttle valve designs to ensure there is no overcrowding, minimising accidental inputs.