General description Our Pcs Fuel Primer Bulb is a high-quality maintenance kit designed for various outdoor power equipment. It is made from durable, rust-resistant, and corrosion-resistant plastic, ensuring longevity and reliability in performance. Technical specifications Size: 2.1 * 2.1 * 3.4 cm Installation Snap-in installation for easy setup. Usage Suitable for most lawn mowers, blowers, chain saws, snow blowers, and trimmer carburetors. Other information Package includes 7 primer bulbs, sufficient to meet daily needs. Features good sealing and smooth oil absorption.