Slotted Shim Assortment Kit, 3 X 3 in, .001 1 8 in Thick, Full Assortment no checkout and other natural extreme pressure and other natural extreme pressure and anti wear additives Full hydraulic joint efficiency is maintained allowing joint shoulder faces to mate completely without standoff or deformation Provides positive protection for rotary shouldered connections under severe drilling conditions where the probability of downhole make up is anticipated and enhanced force transfer Made in the USA Slotted shim is the best way to solve alignment and leveling problems on motors pumps generators and other plant machinery Shims marked with thickness in decimal and metric