The design incorporates a new, thicker Carbon Graphite arm grip for added durability and increased tremolo-arm control. It is stiffer than a standard metal tremolo arm. It is compatible with the Edge, Lo-Pro Edge, Edge Pro, Edge Zero, SynchroniZR and ZR-2 Ibanez tremolo bridges. The Ultralite Tremolo Arm was released in 2013. The Ibanez part number is UTA20.