Made In USA Designed by the Metrinch Tool Company in St. Paul, Minnesota
in the 1980s Items are New & Sealed, New Old Stock (The packaging
may have shelf wear from weight of sockets and age) Sockets are 12
Points: 6 Points SAE Standard & 6 Points Metric These are NOT the
modern style Metrinch sockets which are high-priced, made in Taiwan, and
based on a 6 point (or lobe) design. Manufactured from a specially
selected High Grade Alloy Steel, to meet Federal torque strength and
hardness specifications. Manufactured by National Hand Tool in Texas.
7/16-11mm, 1/2-13mm, 9/16-14mm, 5/8-16mm, 11/16-17mm, 3/4-19mm,
13/16-21mm, 7/8-22mm, 15/16-24mm, 1-25mm