This is the final slot, 3/8      This is the final slot, 3/8    This is the final slot, 3/8
This is the final slot, 3/8

This is the final slot, 3/8" wide, by 5/8" deep.

This is the final slot, 3/8      This is the final slot, 3/8    This is the final slot, 3/8
So, you always wanted to build handsaws...
Slotting Fixture
Slotting Back
Stamping Teeth
Making a Handle
Assembling the Saw