【Excellent Material】Carburetor primer pump made of high quality plastic, soft, lightweight, durable and has good sealing performance 【Easy to Install】Fuel pump for gasoline brush cutter without tools, removable and washable, it can save you time and money when replacing 【Multifunction】The 6pcs 19mm and 6pcs 22mm carburetor primers can be applied to most carburetors, enough for your daily use. 【Widely Used】The primer pump can be applied to hedge trimmers, brush cutters, gasoline saws, blowers and other machines. 【You Will Get】You will get two different sizes of primer bulbs, 6 19mm diameter bulbs and 6 22mm diameter primer bulbs, total 12 pieces.