Duo Plate jẹ ọkan ninu awo apapo ti o nlo papọ Split Set Bolt (Friction Bolt Stabilizer) lati mu agbegbe atilẹyin si apata, ati ṣe gbogbo eto atilẹyin pẹlu iṣẹ atilẹyin to dara julọ.O tun lo fun titunṣe ati gbigbe apapo, ati pẹlu lupu hanger kan lori awo oke, o tun lo fun gbigbe afẹfẹ tabi eto ina ati bẹbẹ lọ.