Hydraulic fluid is a specialized liquid designed for use in hydraulic systems, providing the necessary lubrication and transmission of power. These bright yellow stickers serve as a clear and visible reminder to only use the appropriate hydraulic fluid in designated hydraulic systems. Measuring 1 7/8" x 0.75", these durable vinyl stickers are waterproof and can withstand harsh environments, making them ideal for labeling hydraulic equipment, machinery, and storage containers. With a pack of 12 stickers, you'll have ample supply for proper identification and maintenance of your hydraulic systems. Ensure safe operation by clearly marking areas that require hydraulic fluid only.