Suitable Model: Propeller adapting mount specially designed for DJI FPV Combo quadcopter. M-5 Hole: Suitable for M-5 mount hole propeller, have different flying experience than original setup. Repair: Repair parts, used for accidental damage replacement, making repairs more worry-free. Material: Made of aluminum alloy and steel shaft, durable to use. Easy to Install: Easy installation, convenient to use. Suitable model: compatible for DJI FPV Combo Colour: silver Material: metal Package Contents: 4 x Mounting Propeller Base 1 set x Mounting Accessories Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.