![CoCoRaHS original gauge - inner measuring tube ONLY](http://weatheryourway.com/cdn/shop/products/image_7950b833-e2c1-42a5-aefc-e242675eb169_{width}x.jpg?v=1571344681)
Extra/replacement inner measuring tube for CoCoRaHS gauge (imperial units - increments of 1/100th of an inch). If you would prefer a METRIC replacement measuring tube...purchase this item then add the product/option 'CHANGE MEASURING TUBE TO METRIC'.