For example：Sleeve screwdriver

When we buy sleeve, we often meet customers who provide us with bolt size M10, M16, etc. . But M10, M16 represents the size of the sleeve, how should we choose the suitable sleeve type under normal circumstances, the size of the nut, choose the sleeve, the Bolt or threaded Rod m stands for diameter, at which point we need to convert, as shown in the following figure.

Corresponding sleeve screwdriverChoose

1.Vehicle maintenance tool

A screwdriver is a must-have at home，A small problem can be solved easily by oneself.