Features: Carburetor kit fit for STIHL FS36 FS40 FS44 grass trimmer. Good at mixing fuel and air, keep engine running smoothly. Easy installation and operate, great replacement for the old one. Helpful for avoiding wasting of oil to some extent. Specially designed to exact OEM standards manufactured and tested. Specification: Material: Metal Color: Sliver Package List: 1 x Carburetor repair kit 2 x Primer bulbs 2 x Grommet 2 x Fuel Filter 2 Feet fuel line 1 x Sparking Plug 1Carburetor kit fit for STIHL FS36 FS40 FS44 grass trimmer. 2Good at mixing fuel and air, keep engine running smoothly. 3Easy installation and operate, great replacement for the old one. 4Helpful for avoiding wasting of oil to some extent. 5Specially designed to exact OEM standards manufactured and tested.