1、The perfect accessory for garden tools can effectively extend the service life of the machine. 2、Cylinder has good wear resistance and long service life compact structure and high hardness. 3、Fit for Stihl FC75 FC85 FH75 FR85 FS75 FS80 FS85 can directly replace damaged parts. 4、Easy to install and disassemble can be highly compatible with the original equipment. 5、It meets strict quality standards with strong practicability and long service life.