If you would like to come visit we require an appointment be made at least 24 hours in advance of your arrival.
Walk-ins are not allowed.
Monkey tools are great for squaring up and upsetting shoulder on tenons.
Standard style monkey tools are made from 1" square mild steel and machined with core hole and weep hole
OPTC - Old Philadelphia Tool Compnay are museum style copied from the Yellin shop.