Description
• Each standard is 6” long x 3” wide x 1/2” thick. Contains14 holes with diameters of: 1/8”, 5/32”, 3/16”, 7/32”, 1/4”, 9/32”, 5/16”, 11/32”, 3/8”, 7/16”, 1/2”, 9/16”, 5/8” & 3/4”..• Each hole contains a 0.050” x 0.050” corner notch at the bottom of th…