The speed and tach fit in a 3 1/2" hole and the rest of the gauges fit in a 2" hole. These gauges are made in the U. The item "Vintage Medallion Boat Gauges Speed Tach Volt Fuel Oil Trim Square Faced Marine" is in sale since Sunday, November 18, 2018. This item is in the category "eBay Motors\Parts & Accessories\Boat Parts\Electronics & Navigation\Other Electronics & Navigation". The seller is "blaino45601" and is located in Chillicothe, Ohio.This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Bahamas, Aruba, Bermuda, Brunei darussalam, Egypt, Gibraltar, Guadeloupe, Jordan, Luxembourg, Martinique, Maldives, Reunion, Uruguay.