Check the listing for details. Origin Technologies Laser Gauge Gap Flush Calibration Block GFA-07-307 6mm 3mm. Condition: Used. Listed at 316.84 USD. Origin Technologies Laser Gauge Gap Flush Calibration Block GFA-07-307 6mm 3mm We have another 3 Gap Flush Calibration Blocks available, see link below. This item arrived to us with other Origin Technologies Corporation Laser Gauge equipment... they are listed here: https://www.ebay.com.au/sch/m.html?_odkw=Origin&_ssn=marsh71black&_osacat=0&_from=R40&_trksid=m570.l1313&_nkw=Origin+Laser+gauge&_sacat=0 Contact and inspection of goods Please contact Tim Marshman with any questions. This item may be inspected by appointment at 9 Vernon Smith Court, Ottoway, South Australia Please check out my store, we have a large inventory of high quality industrial automation and process equipment and we are constantly adding new stock. If you would like to be notified of new arrivals you have the option of signing up for my store newsletter.