Check the listing for details. Mahr Federal - Model 130B-24 - 0-4" Gage Block Comparator/Calibrator - PH25. Condition: Used. Listed at 6999.98 USD. Mahr Federal - Model 130B-24 - 0-4" Gage Block Comparator/Calibrator - PH25 This unit will need to be calibrated by Mahr, after is has been shipped, received and set up. Same highly linear, stable electronics as 130B-24.Designed for measuring blocks below 4.000" (100 mm) Large platen area for staging blocks before measurement - critical to achieving thermal equilibrium with the gage.Fully counterbalanced "floating measurement frame" to isolate measurements from vibration.Open frame design allows comparison measurement of small disks, up to 4" in diameter.Can be operated from the same computer as 130B-24.Scale on left-hand post allows rough positioning, and micrometer-style spindle allows smooth, easy mechanical fine-adjustment.Please email if you have any questions or would like to speak with someone in person. Reach us at Bullseye Calibration in Connecticut to discuss the machine.SHIPPING POLICY:We sell sensitive test and measurement equipment here on Ebay. We strive for 5-star service, so we invest a great deal of time and care to package all of our items safely for shipment. This attention to detail means it may take up to 10 days for us to prepare and ship your units out of our facility. We want to support you throughout the transaction and want you to be satisfied, so please to contact us at Bullseye Calibration in Connecticut with any questions or concerns. We do our best to ship quickly, but never at the expense of quality delivery. RETURN POLICY:All units are being sold "WITH A 30 DAY RIGHT OF RETURN". The auction description is written as a guide, we strongly recommend that you come view and test the units at our facility. Feel free to find us at Bullseye Calibration in Connecticut, and we will help answer any questions that you may have, before you purchase an item. We do not accept returns (unless stated otherwise above) so please reach us with any questions that you have BEFORE you bid.