iGaging 4" and 6" 4R Double Squares with Starrett Card
iGaging Double Squares
Set includes two machinist double squares. The blades are hardened and tempered. All four edges are precision ground. The graduation markings are precision photo-etched that are black filled for long life and easy readability. These blades have a satin chrome finish that produces a non-glare surface for easy reading and rust resistance. Angular accuracy is guaranteed to 0.0008 per inch (that's 8 ten thousandths of an inch).
Graduations: 4R (1/8", 1/16", 1/32", 1/64")
Allows quick, accurate and on the spot conversions without the use of a calculator. Always keep one in your pocket so you can make important conversions on the spot and get back to work! Converts: drill sizes (numbers) to fractions, drill sizes (numbers) to decimals, drill sizes (numbers), fractions, and decimal equivalents to taps sizes. The 3" x 5" laminated cards easily fit into an apron or shirt pocket.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov