Heavy duty steel tips. Resistant to stripping breaking More FPV series product Provided by in .Bring your eyes into the and racing like a free bird, enjoy the ultimate first person view experience Hex Nut Drivers Used for disassembling RC helicopters, airplanes, cars, boats, particularly 450 Helicopters/ CP V2 3 colour:Black Material:steel size:total length: 17.5cm / 6.9inch Package Contents: 1 x 4.0mm Hex key Socket Screw Driver 1 x 5.5mm Hex key Socket Screw Driver 1 x 7.0mm Hex key Socket Screw Driver 1 x 8.0mm Hex key Socket Screw Driver Only the above package content, other products are not included. Note: Light 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.