Hey gearheads and small engine enthusiasts! If you're dealing with Simson carburetor issues, these plastic floats might be your simple solution. This 2-pack gives you backup parts for those BVF Vergaser models 16N1, 16N3, ZT21N, and GEN2. Each float measures 44mm long by 27.5mm wide and weighs just 6 grams - super lightweight so they won't add any unnecessary burden to your carburetor mechanism. The plastic construction is the real hero here - excellent corrosion resistance and wear resistance means these babies maintain stable buoyancy through long-term use. They're designed to sense fuel levels accurately, ensuring your carburetor gets the proper fuel supply it needs. This translates to better fuel economy and fewer engine problems down the road. Installation is straightforward - no complicated steps or special tools needed. You can easily swap these in and get back to riding or running your equipment. The white and silver color scheme makes them easy to identify, and having two means you've got a spare for future repairs. Whether you're maintaining vintage mopeds, small engines, or any equipment using these specific carburetor models, these floats provide reliable performance without breaking the bank. They effectively prevent fuel leakage issues and help maintain optimal engine performance. Seriously, for such a small part, these floats make a huge difference in how your engine runs and how much fuel you save over time.