High quality gold hard steel with super hardeness.
4 kinds of tip size for different needs: 1.5mm, 2.0mm, 2.5mm, 3mm.
Easy to change the tip for use.
Slip-resistant designed handle and optimal shaped drill for operation.
Tip size: 1.5mm, 2.0mm, 2.5mm, 3mm.
Usage: Suitable for different kinds of RC helicopters,quadcopters ,airplanes, cars, boats, etc.
1 x 4 in1 Hex Screw Driver Set