What an age we live in! For guys like me that use tools, it's amazing.
These strange looking things are self-centring drill bits. When fitting a door to the door frame, it's useful to be able to accurately drill the hole for the hinge screws...... and these tools allow you to do exactly that.
The invention of the CNC lathe means that such things can be manufactured at a cheap price.
Marvellous!
..... and the CNC machines themselves are cheap enough that a home workshop can afford them.
Kaylia's just home from school and she's straight into the bath.
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