What you get: This package contains four 22mm/19mm carburetor primer bulbs, sufficient for daily use and replacement. Material: This carburetor tank cap is made of flexible, durable plastic, unbreakable and durable for long-term use. Easy installation: This replacement primer bulb requires no tools to install and is easy to remove and clean. Dimensions: 1.9 * 1.45 * 1.4 cm / 2.2 * 1.9 * 1.6 cm Versatile use: Gasoline primer bulbs are ideal for replacement and maintenance of various outdoor power equipment, such as chainsaws, leaf blowers, trimmers, lawnmowers, brush cutters and more. Note: 1. Due to different lighting and screen settings, the product color may differ slightly from the picture. 2. Please allow a slight difference in dimensions due to manual measurements. [Friendly tips] Returns without reason cause unnecessary resource and energy consumption. Please contact our customer service if you experience any problems after receiving your order, and we will do our best to help you solve it. If you are still not satisfied, it is never too late to return the item after contacting us. Thanks again.