Check the listing for details. Integrated Dynamics Engineering Wafer Calibration Wafer 150mm Unmarked Working. Condition: Used. Listed at 301.20 USD. Integrated Dynamics Engineering Wafer Calibration Wafer 150mm Unmarked Working Inventory # A-16895 Part No: Wafer Calibration 150 mm Made in the USA This Integrated Dynamics Engineering Wafer Calibration Wafer 150mm is used working surplus. The wafer is not marked with a part number. The physical condition is good, but there are signs of previous use and handling. Sale Details Item Condition: Used Working, 90 Day Warranty Estimated Packed Shipping Dimensions: L x W x H = 10"x10"x10" @ 4 lbs. Only items pictured are included: If a part is not pictured, or mentioned above, then it is not included in the sale. Pictured test equipment is not included or available for sale. For items with multiple quantities: The pictured item is not necessarily the one that will be sent. Serial numbers or country of manufacture may vary. Items are sold with a 90-Day Satisfaction Guarantee Lister 7