Kit includes 1 gallon of urethane clear coat and 1 quart of urethane hardener that mix together in a 4 to 1 mix ratio to make 1.25 gallons of sprayable 2K (two-component) clear coat. Urethane Clear, 1 Qt Hardener, 4:1 Mix Ratio - Professional High Gloss Auto Car Refinish Coating - Auto Body Repair Finish.