Replacement Parts For Volador VX3/VX3.5 Frames. Spec: VX3 Top Plate thickness：2mm VX3.5 Top Plate thickness：2mmVX3/VX3.5 Middle Plate thickness：2.4mmVX3/VX3.5 Bottom Plate thickness：2.4mmVX3/VX3.5 Keystone thickness：3.5mmVX3/VX3.5 CNC Side plate thickness: 5mm