The edges of STIHL square trimmer line allow it to cleanly slice through grass and heavy weeds. This line is great for professionals who have to tackle dense weeds on a daily basis.

Get step-by-step instructions on replacing line in your STIHL trimmer head—right from the source. Before you begin any maintenance on your equipment, make sure the equipment is …

This trimmer cuts an 11" swath at a continuous high speed, saving time and doing more with a STIHL AK System battery. With an AK 10 battery, this trimmer weighs less than eight pounds …

STIHL quality at home and at work: Grass trimmers Brushcutters Clearing saws Find out more!

This grass trimmer also features our innovative Easy2Start™ technology, so you can get started with just a simple pull of the starter cord. Together it makes for one fantastic deal... unless …

When it’s not squeezing every last ounce of performance from its upright fuel tank, this straight-shaft grass trimmer keeps the weeds at bay, thanks to its AutoCut® cutting head.

This trimmer is also built to last, featuring a sturdy cable drive shaft, a high-durability, forged connecting rod, and a four-bearing gearbox. As a bonus, it is all backed by a rock-solid, two …

Combined with a high-powered, low exhaust emission engine, and an anti-vibration system, this grass and weed trimmer is a great everyday landscaping tool for trimming professionals.

After going through your manual, you can also use the videos and instructions below to help with trimmer head and trimmer blade replacements. Be sure to wear the proper protective gloves …

Read the STIHL trimmer buying guide to help assist with choosing the right size, type, and features when buying a trimmer for at home or on the job.