Feature●Lawn mower spark plug compatible with Stihl FS90 FS100 FS110 FS90R FS100R FS110R.●Spark plug length is 52.5mm, please check our photos and confirm if the part is identical to your.●Practical garden tool accessories, stable performance, can match your lawn mower machine.●It is an important component of the ignition system and can provide good ignition performance for your equipment.●Package included 3pcs CMR6H spark plugs.Description