大家好！

这是一个将6.35mm批头座转换为4mm精密批头的小工具

本模型在不同的材料和不同的口径尺寸下会有微小的尺寸差异，使用砂纸可以很好地解决这个问题

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Hello everyone!

This is a gadget that converts a 6.35mm bit holder into a 4mm precision bit

This model will have slight size differences in different materials and different caliber sizes, and the use of sandpaper can solve this problem well

2023.11.14 更新：

1、由于细微的尺寸改变会极大影响使用体验，模型已更新为5个不同尺寸的部件以提供更好的适配性，尺寸依次排列，包括内径和外径，挑选最合适的那个使用即可；

2、加长了零件长度以方便拔出

2023.11.14 Update:

1、Since slight dimensional changes can greatly impact the user experience, the model has been updated to 5 parts of different sizes to provide a better fit, and the dimensions are arranged sequentially, including the inner and outer diameters

choose the most suitable one！

2、The length of the part has been lengthened for easy extraction