Gearhead FS180, FS300, FS450 UK 9 Class 2 means the boots

Class 2 means the boots are tested and rated for use with chain speeds up to 24 m/s

Low-pressure spring design: Ensures long-term comfort without excessive clamping force

It's also a great way to protect your saw from damage

Technical Details

What is the working area on a full charge

Gearhead FS180, FS300, FS450 UK 9 Class 2 means the bootsGenuine STIHL Gearhead (OEM: 4128 640 0101) for use with STIHL FS180, FS300, and FS450 brushcutters. This gearhead houses the bevel gears that transmit drive from the shaft to the cutting head, and is a direct OEM replacement for a failed or stripped original. Available from Gustharts, authorised STIHL dealer.