STIHL FS 40 C-E Gas Grass Trimmer (27.2cc) w/ Easy2Start - Loop Handle 49-93-7770 The screw size is #6

The screw size is #6 and is available in varying lengths and has a Phillips bugle head

The splashes caused by the withdrawal of the vibrator are slippery

Improves resistance to abrasion and freeze/thaw cycles

Other innovative features include a hang hook for easy storage in-between cuts

STIHL FS 40 C-E Gas Grass Trimmer (27.2cc) w/ Easy2Start - Loop Handle 49-93-7770 The screw size is #6The FS 40 C E is a lightweight curved shaft trimmer, powered by an advanced low emission engine, for homeowner use. Featuring the Easy2Start system for simplified starting, a TapAction AutoCut C 5 2 cutting head for easy line refilling and a stop switch, which automatically returns to start position for easier operation. High fuel efficiency coupled with exceptional stability, make this trimmer friendly to the operator and to the environment. STIHL