The screw cap is a raised cross. Can you tell me what tool to screw off?
usageThe screwdriver has a specialized shape of the end head aligned to the top concave of the screw, fixed, and then start rotating the handle.According to specifications, clockwise rotation is embedded; counterclockwise rotation is loose.One piece screwdriver can be applied to cross screws. But the cross screw has a good resistance to deformation.
A turn the screws to force the tools in place to twist, usually with a thin wedge head, the screw head can be inserted into the slot or recess -- Tianjin dialect is also called the "change".
