Pleased with this ebay bargain

[Jacob]

Its actually 3/8 Jacob, that's what ebay listing said and I'd not measured it

Handy size for furniture e.g. panelled cupboard doors from 1 to 1 1/4" finished thickness.

 

[Keith Cocker]

This was a slightly unfair question tbh...

On the right is a Morihei Japanese oyster shucker. Which they grind with a single bevel, like a sturdy kiridashi / marking knife.

The left is a Meuchi spike. Intended for nailing the heads of live eels to a board, to stop them thrashing about too much when you skin and gut them alive.

Though I use both of them for kinda carving purposes, especially when working with vine wood.

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Sorry for the slight derailment there OP!

Yuck!!! What a strange species we are!!!