"L-com's high quality reversible punch tool blades are the best choice for termination projects. Featuring a cutting blade with the IDC punch on one end and just the punch blade on the other, these blades are perfect for termination blocks and patch panels. Usable on our premium auto-impact tools and our economy non-impact tools, these blades are easily install in seconds keeping your project moving forward. Each blade is made of hardened steel to provide for a long life expectancy."