Awl n.  A pointed instrument for piercing small holes, as in leather or wood; used by shoemakers, saddlers, cabinetmakers, etc. The blade is differently shaped and pointed for different uses, as in the brad awl, saddler's awl, shoemaker's awl, etc.
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  Brad awl A straight awl with chisel edge, used to make holes for brads, etc.
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