These gages are used to check driver fit on a "GO-NO GO"basis. These gages are available in PHILLIPS®, POZIDRIV®, QUADREX®, and Square recess types. The recess sizes available are 0, 1, 2, 3 and 4.
Upon request test blocks can be made for other recesses such as TORX®, MORTORQ® and MORTORQ® Super.
See this page in our catalog