1DURABLE MATERIAL: The lawn trimmer starter cup is made of iron material, which ensures its durability and long term use. It is not easy to break or deform and can withstand the pressure and vibration during lawn trimmer starter. 2EASY TO USE: Lawn trimmer starter cup has a simple design and is easy to replace. It can be easily mounted on the lawn trimmer to help users start the lawn trimmer quickly. 3COMPATIBLE: Lawn trimmer starter cup is suitable for Stihl FS38 FS40 FS55 FS56RC FS70 4140 190 2010 and other models of lawn mowers. 4EFFICIENT PROBLEM SOLVING: The lawn trimmer starter cup provides an efficient solution to lawn trimmer starting problems. It can start the mower quickly, saving time and energy and improving work efficiency. 5STABLE AND RELIABLE: The lawn trimmer starter cup has been carefully designed and tested to ensure stable and reliable performance and provide users with an excellent mowing experience. Specification Item Type: Lawn Trimmer Starter Cup Material: Iron Weight: Approx. 43g / 1.5oz Suitable: For Stihl FS38 FS40 FS55 FS56RC FS70 4140 190 2010 Package List 2 x Lawn Trimmer Starter Cup