Combining carbide-pin locating system with patented pocket seat surface pattern and high-pressure coolant capabilities up to 3,046 psi, Thread Chaser Insert Holders bring precision and rigidity to threading operations that involve tough materials including hard, gummy, or high-chrome content materials used in oil and gas industry. P1 version is available for .625 in. thick inserts, while P5 version is suited for .984 in. thick inserts. Chipformers come in .156 in. and .124 in. sizes.