Rejuvenate Modular Stems || Stryker Ireland Carrigtwohill Industrial Estate || Carrigtwohill County Cork, Ireland || Rejuvenate Modular Necks Stryker Howmedica Osteonics Corp. Mahwah, NJ 07430. || Stem Bodies Rejuvenate Modular consists of 6 modular stems bodies in sizes 7-12. The Modular Stem bodies are made of TMZF alloy, developed specifically for orthopaedic applications. Rejuvenate Modular Necks The Rejuvenate Modular Necks are made of Cobalt Chrome. The necks in this system consist of 4 lengths in 4 mm increments. They are 30 mm, 34 mm, 38 mm and 42 mm. They come in multiple neck angles and versions in each length. They are 127, 130 and 132. The versions are 0, 8, 16 degrees. In total there are 16 unique neck implants in the Rejuvenate Modular System.