[Material] These fasteners are made of high-quality 6061 aluminum alloy.
[Advantage] The nuts color is cool and shiny.non-slip locking more reliable,hold super tight with no slippage, secures the props perfectly.light weight and hard. environmental protection,Non-magnetic conduction.
[Widely Application] These fastener nuts are fit for RC Airplane, FPV Quadcopter, Drone,(esuch as ARRIS, DYS, EMAX etc),RC Truck, Racing, Quad, RC Boat, Motherboard, etc,DIY.