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Quantity
1
The wood set comes with base, cover, a “unit one” bar and then rows of that unit one bar cut into ½, 1/3, ¼, 1/5, 1/6, 1/8, 1/10 increments. The unit one bar also has notched lines in units of 1/40. I use 2 contrasting ¼” thick woods for th...