Stryker System 4 Charger model # 4110-120 with 4each 4222-110 battery inserts and 4 each 6127-120 housings.. It is both cosmetically and functionally excellent. It has been checked by our head Tech and it was found to meet all OEM specifications. We repair these items ourselves so you can buy with confidence. 90 day warranty against parts and labor.Return Policy Items are sold as-is with no returns or refunds available unless explicitly stated. Tags: Surgical Instruments PowerSurgical ToolsO/R Tools