

Ends are ground square for accurate pin driving. Tool steel, uniformly heat-treated, centerless ground with knurled bodies withstand hard use. 4"L. Conforms to GGG-P-831E specifications.
Includes 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 5/16" and molded case.