High Speed SteelAdjust with the Set Screw for precision depth of threadsHigh Speed Steel stays much sharper than a Carbon Steel DieM2.2 X 0.45 Round Adjustable DiesSKU: 2GDIE/RAD$26.31PriceQuantity*Call us toll-free at 1-800-638-7421Request a quotePlease NoteWe can not accept returns on any cutting tools or products that may contian cutting tools.