4Pcs 3K Carbon Fiber Motor Fixed Seat Plate 16mm 20mm 22mm 25mm 30mm for Multi Axis DIY RC Quadcopter Drone Frame Clamp Mount

Specification:
Brand: JMT    
Material: 3k carbon fiber    
Color: black    
Specification: 16mm/20mm/22mm/25mm/30mm
Thickness: 2mm( notice: 25mm version thickness is 2.5mm)

Size: as pictures showed

Package included:    
4 X Carbon Fiber Plate