Head Diameter: 7/16 Shank Diameter: 3/8 Head Length: 19/32 Angle Length: 5/32 Overall Length: 1-1/4 Precision locating pins with a tapered tip for easy part loading, and a shoulder to resist downward forces (superior to standard dowel pins). Round Pins and Diamond Pins are often used together to locate from two holes in a workpiece. Diamond pins are relieved, to locate only in 1 axis. Round Pins are also useful as side locators. Head and shank diameters are concentric to within .0005" TIR. Made in USA.