This is the Wltoys XK A180 Screws set. The screw assembly consists of 3 parts, the first part of the screw is 1.4*4PM D2.5, nickel-plated material.
The second part of the screws is ST1.7*4PB D3 carbon steel, black zinc plated, environmentally friendly material.
The third part of the screws is ST1.4*4PA D2.3 nickel-plated iron, environmentally friendly material.
This Screws' Parts number is A180.0006.
These Screws kit Parts Accessories are for the XK A180 RC Plane. XK A180 Raptor Plane Parts.