They are machined from quality alloy steel, which is forged and heat-treated for strength.
Since 1857. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein Tools Barrel-Type Drift Pins are manufactured for durability.The tough, drop-forged steel will properly end-pein in use.