This 12 inch premium engineer/machinist square is manufactured in the Thailand by Precision Engineering Corporation (PEC Tools) in strict accordance with derived tolerances of the Federal Specifications Code No. GGG-S-656E 29 Jan 1996. It has true right angles for both inside and outside edges and is guaranteed to be square to within +/- 0.0006 inches (That's 6 ten-thousandth of an inch) over the entire length of the blade. This square features a hardened carbon tool steel blade and base that are ground and lapped for straightness and parallism. Joint between blade and base is pinned with steel rods and lapped flat and is virtually invisible. The fit and finish on this squares is exquisite. This is the most accurate squares you will find for this price.
Made from proprietary steel and heat-treated to control hardness
The forged tip allows for a secure grip and maximum contact eliminating stripping
The Shockwave Impact Duty accessory line is not only ideal for heavy-duty impact applications
This professional tool has permanent deep stampings that are durable.
The steel body is rust-proof and weather-resistant.