【Excellent Material】Carburetor primer pump made of high quality plastic, soft, lightweight, durable and good sealing performance 【Easy to Install】Fuel pump for gasoline brush cutter no tools required can be removable and washable, it can save you the cost and time of replacement 【Multifunction】The 6pcs 19mm and 6pcs 22mm carburetor primer can be applied to most carburetors enough for your daily uses. 【Widely Used】The primer pump can apply to hedge trimmer, mower, gas saw, blower and other machines. 【You Will Get】You will get two different sizes of primer bulbs, 6pcs 19mm bulbs diameter and 6 primer bulbs of 22 mm diameter, a total of 12 pieces.