Gas Cans, Caliper & Spouts are not included. Here's what you get: 1 New Rubber U-Seal Gasket for your Gas Can Spout. Measures approximately 1-1/2" OD - made to stretch slightly when applied to Gas Spout, approximately 1-1/4" ID and approximately 3/16" thick with a U-seal type groove (1/16") in the middle to fit snugly on the bottom ridge of the gas spout - please double check your required measurements. Fits on a large variety of Gas, Fuel, Diesel and Kerosene spouts with a bottom lip/ridge to hold gasket in place. This New Replacement Part is a High Quality Rubber that far exceeds the quality of the old Rubber used. Gas Cans, Caliper & Spouts are not included.