Exacto-Pour™ 3-Tube Bar KitThe Exacto-Pour™ bar kit includes a case, 3 clear plastic tubes with 2 color graduation lines, 3 o-rings to hold the tubes in place, sample test sheet, and a metric measurement chart.Includes:Storage Case 3 clear plastic tubes with 2 color graduation lines 3 o-rings Sample test sheet Metric measurement chart Model #: E-13 113496