Suburban Tool

13-3/4 Inch Diameter, Grid, Mylar Optical Comparator Chart and Reticle For Use with 50x Magnification

13-3/4 Inch Diameter, Screw Thread, Mylar Optical Comparator Chart and Reticle 8 to 56 TPI Scale Value, For Use with 10x Magnification

13-3/4 Inch Diameter, Screw Thread, Mylar Optical Comparator Chart and Reticle 7 to 80 TPI Scale Value, For Use with 20x Magnification

13-3/4 Inch Diameter, Screw Thread, Mylar Optical Comparator Chart and Reticle 4 to 80 TPI Scale Value, For Use with 50x Magnification

13-3/4 Inch Diameter, Radius, Mylar Optical Comparator Chart and Reticle For Use with 10x, 20x and 50x Magnification

6" Long x 3/8" High x 1/4" Thick, Steel Four Face Parallel 0.0001" Per 6" Parallelism, Sold as Individual

6" Long x 1/2" High x 1/4" Thick, Steel Four Face Parallel 0.0001" Per 6" Parallelism, Sold as Individual

6" Long x 5/8" High x 1/4" Thick, Steel Four Face Parallel 0.0001" Per 6" Parallelism, Sold as Individual

6" Long x 3/4" High x 1/4" Thick, Steel Four Face Parallel 0.0001" Per 6" Parallelism, Sold as Individual

6" Long x 1" High x 1/4" Thick, Steel Four Face Parallel 0.0001" Per 6" Parallelism, Sold as Individual

6" Long x 1/2" High x 3/8" Thick, Steel Four Face Parallel 0.0001" Per 6" Parallelism, Sold as Individual

6" Long x 5/8" High x 3/8" Thick, Steel Four Face Parallel 0.0001" Per 6" Parallelism, Sold as Individual

6" Long x 3/4" High x 3/8" Thick, Steel Four Face Parallel 0.0001" Per 6" Parallelism, Sold as Individual

6" Long x 5/8" High x 1/2" Thick, Steel Four Face Parallel 0.0001" Per 6" Parallelism, Sold as Individual

6" Long x 3/4" High x 1/2" Thick, Steel Four Face Parallel 0.0001" Per 6" Parallelism, Sold as Individual