MILWAUKEE Portable Pipe Threading Dies are replacements for: MILWAUKEE Forged Aluminum Die Heads, MILWAUKEE Compact Forged Aluminum Die Heads, RIDGID 11-R, 12-R, O-R, 111-R, 00-R, 30A and 31A Threaders, Reed R-12+ Dropheads, DeWalt Pipe Threading Die Heads, and Wheeler Rex 12R Style Die Heads. Offered in Alloy and High-Speed Tool Steel sizes 1/2"-2".  Milwaukee's High-Speed Dies have the ability to thread Stainless Steel Pipe. Stamped size, type and alignment numbers for easy identification and installation. Milwaukee 1" Compact Alloy NPT 11R Pipe Threading Forged Aluminum Die Head 48-36-1309