<1> NEXT&#8482£» holders combine the functions of a conventional punch shank and alignment ring into a single assembly. The integral alignment design provides precise tooling orientation and make installing the inserts quick and easy, thereby facilitating faster tool changes. <2> Punch material: M2, M4PM,. M4PM&#8482£» is a high speed, particle metallurgy tool steel designed for use in high performance tooling systems and is with long tool life. <3> Punch Shim extends its grind life by 3mm