Check the listing for details. CorDEX XP-350 Optical Accessory Kit INV. Condition: New. Listed at 49.96 USD. This listing is for the following: Manufacturer: CorDEXModel: XP-350Serial #: N/ADescription: Optical Accessory KitIncluded Accessories: N/A Condition:New, never been used.If you have any questions please send us a message. ***Listing is only for unit and accessories listed above. Any other equipment pictured is only to show functionality.*** JM Test Systems, Inc. was founded in 1982 to provide quality service to industries that need repair and calibration of test and measurement equipment traceable to National Institute of Standards and Technology (NIST). The company has grown from a 2 person lab to our current status of over 300 employees and 7 laboratories across Louisiana,Texas, and Illinois. Our quality is second to none; we are A2LA accredited to ISO 17025. Our A2LA audits include compliance with ANSI/NCSL Z-540, ISO-10012-1, and Mil Std 454662A. Our Electrical Safety Lab is NAIL for PET accredited to ASTM/ANSI specifications. We are members of the professional groups: NCSL, ASQ, ASME, GIDEP, LTC and ISA.