Features Rubber Material: Our carburetor primer bulbs are made of high quality rubber, which is wear-resistant and durable, with good softness GOOD REPLACEMENT: Convenient replacement parts, easy to install, can replace broken or old parts, carburetor primer bulbs are the good replacement Applicable models: Suitable for Walbro 188-512, 188-512-1, for STIHL FS36 FS40 FS44, for Husqvarna 125B 125BX, for McCulloch 22583400, for POULAN P3314 chainsaw cutter, etc 50 pieces: The package contains 50 primers. We pack these primers in beautiful packaging. 50 means you don't have to worry about running out of primers. High Reliability: Primer bulbs are a handy gardening tool, such as those used in chainsaw cutters, replacement accessories with high reliability. Specification: Item Type:Carburetor Primer Bulb Material: rubber, ABS Package list: 50 x Carburetor Primer Bulb Note: Match the right model before using Package List 50 x Carburetor Primer Bulb