Check the listing for details. Webber Gauge Block Set, Croblox, Grade 2, RC10A1. Condition: New – Open box. Listed at 995.00 USD. Webber Gauge Block Set, Croblox, Grade 2, RC10A1Chromium Carbide (Croblox) gauge blocks are considered the top of the line – the finest available. They outwear regular steel and ceramic.They will not corrode and are very stable and accurate, and have exceptional “wringing” qualitiesBid with confidence! International Buyers – Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying. Will ship worldwide at cost, with tracking# and insurance.Shipping cost on listing is a general estimate. You will be asked to pay actual shipping cost.We use Postal Service. If tracking and full insurance is not available for your country then we use FEDEX, DHL or UPS.