Wheel Valve Lockout – Durable polypropylene for superior impact and chemical resistance. Color: Red. DESCRIPTION: ● Popularly known as ‘donuts’ these rugged valve covers comes in 6 different diameters to fit wheel sizes from 25mm upto 450mm. ● Simply wrap around the wheel, insert padlock and tag to immobilize the valve handle. ● Temperature Resistance: Minus 20℃ to 120℃ Note: Donut size should be bigger than wheel diameter and should rotate freely around the wheel to prevent access.