Offer is for 1 Piece of the highest quality compatible Replacement for OSRAM 64638. Equivalent to the following Part Numbers: HLX 64638, HLX64638, 64638HLX, JC24V100W-G6.35, 100W n, 283050, ZB-64638, 54252, 53998, M055020 Bombilla , RS 006, RS006, ALM 431165, ALM431165, 99-X477, 080223, Hikari M-01082, M01082 Used in the following Models: American DJ Roto-Sphere, Rotosphere, Zodiac Angenieux- 186762 BBT- AMP024 Berchtold Chromophare B680 Chromophare B950 Chromophare C450-Old ,CZ905-24 Martin Surgical B-480 B-680 B-950 C-450ALT CZ905-24 Collimator Ritter- 600 Seneca Medical- 110588 This Premium Quality Replacement lamp is Manufactured by Pro Lighting and is Guaranteed to Meet or Exceed the Original Manufacturers Specifications. The use of the Original Manufacturers Name is for Identification purposes only. The name Osram is trademarked and wholly owned by Osram. We do not sell or distribute Osram Products