High quality white hard steel.
8 kinds of tip size for different needs: 1.5mm, 2.0mm, 2.5mm, 3.0mm. 0+ , 1-mm Socket wrench 4.0 5.5MM
Easy to change the tip for use.
Suitable for different kinds of RC helicopters, airplanes, cars, boats, etc.
Tip size: 1.5mm, 2.0mm, 2.5mm, 3.0mm, 0+ , 1-, 4.0,5.5mm