at which point - you search for a metal alternative
www.ebay.co.uk/itm/Red-25T-M3-Metal-RC-Servo-Arm-Horn-for-Futaba-Savox-Xcore-HL-HSP-PR-/291166712104?pt=UK_ToysGames_RadioControlled_JN&hash=item43cae37128
www.ebay.co.uk/itm/Red-25T-M3-Metal-RC-Servo-Arm-Horn-for-Futaba-Savox-Xcore-HL-HSP-PR-/291166712104?pt=UK_ToysGames_RadioControlled_JN&hash=item43cae37128