We pride ourselves by providing hard to find products with great customer service. Here is what you are looking for from General Finishes . mixing quart. Mixing agitator lids are available in quart and gallon sizes and perfect for mixing paints and stains. Suitable for both water based and solvent bases paints and stains. Features include a superior sealing system, cam locking and a handle and spout for precise dosing control. Easy to use, turn agitator by hand or attach to a drill. Comes fully assembled.. Makes measurements of RTM parts easy. Durable high grade plastic. Makes color mixing neat and clean. Helps you get the exact measurement you need.