Pixnor Cw CCW Alloy Propeller Prop Nut Cap for DJI Phantom 2 Vision Brushless Motor( Pack of 4 Pcs ) Color: including red and black. Material: durable hard alloy. Includes 2pcs clockwise prop nut caps and 2pcs counter-clockwise prop nut caps. Suitable for DJI Phantom 2 Vision Brushless Motor 2212 920KV (DJI-PTM07), and also can work on DJI Phantom V1. Simple and practical design, easy to install and use.