Diagram of FSA 57 pointing out the Instant Start, Adjustable Shaft, Bump Guard, and AutoCut® C 3-2 EasySpool™ cutting head

Graphic of compatible batteries, chargers, and trimmer lines for FSA 57 featuring the AK 10, AK 20, AK 30, AL 101, AL 301, AL 500, Premium Line and Quiet Line™

Image with user review for FSA 57 that reads "Still performs as it did on day one."

Made in America disclaimer stating that "A majority of STIHL products sold in America are made in America of U.S. and global components."

FSA 57 promo with text stating "Trim over a 1/2 mile on a single charge"

Person trimming along the side of a fence using the FSA 57

Woman trimming front yard with the FSA 57

How to Assemble: FSA 57 | STIHL Tutorial

FSA 57

Name: FSA 57
Brand: STIHL
SKU: fsa57
Rating: 4.3399 (1633 reviews)

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Lightweight and easy-to-use, this battery-powered trimmer is ideal for suburban yards.

Features

TapAction™ AUTOCUT® Head
Loop Handle
Multi-Function Control Handle
Hanging Loop

Get great value with the STIHL FSA 57 lithium-ion trimmer. A lightweight, battery-powered trimmer, the FSA 57 is an ideal choice for maintaining suburban yards. 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 and has a run time of up to 25 minutes* On A Single Charge™. For comfort and convenience, this unit features an adjustable shaft to customize height, an easy-to-use AutoCut^® head which feeds noise-reducing line, and a bump guard to help trim carefully around obstacles like trees and shrubs. The FSA 57 trimmer is available as a stand-alone unit or as a value-priced set with the AK 10 battery and AL 101 battery charger. Other battery options are available.

*Run time may vary based on battery type, charge level and capacity, model, operating style, and conditions.

View Our Usage Chart
Cutting Heads & Blades Selection Chart (PDF)

Features
- TapAction™ AUTOCUT® Head -
  With the TapAction™ AutoCut® cutting head, experience easy line refilling by simply tapping the head to feed the line.
- Loop Handle -
  A thumb screw allows the ergonomic loop handle to be easily adjusted to desired position without tools.
- Multi-Function Control Handle -
  Having easy access to all of the controls on one comfortable handle makes it easy to complete tasks so the operator’s hand never has to leave the handle.
- Hanging Loop -
  Hang your product securely on a wall to save space using the loop in the handle housing.
- Lightweight Portability -
  This product is lightweight for easy portability, great maneuverability, and extended use.
- Retaining Latch -
  All STIHL battery-powered products feature a retaining latch that is designed to prevent the unit from unintentional starts when the battery is inserted.
- High-Tech Polymer Housing -
  Housings are lightweight, withstand greater impact, and are corrosion-resistant.
- Throttle Trigger Interlock -
  This safety feature must be depressed before the trigger can be activated.
- Made in America -
  A majority of STIHL products sold in America are made in America of U.S. and global materials.

Specifications

Questions And Answers

Reviews

Warnings And Safety
How to Assemble FSA 57- Video
Cutting Heads & Blades Selection Chart (PDF)
Product Instruction Manual (PDF)
Product Safety Manual (PDF)
View Our Usage Chart
STIHL Limited Warranty
Contact Us

Note: STIHL engine products with the Caring for Nature logo are cleaner than EPA Standards for exhaust emissions.
WARNING! Improper use of any trimmer/brushcutter can cause serious or fatal injury. Read, understand, and follow all safety instructions in your instruction manual. To reduce the risk of injury from blade contact, circular saw blades may be used on FS brushcutters that have a limitstop, a bicycle handle, and double shoulder harness and not on FS brushcutters with a "J" handle or loop handle. Other rigid blades may be used on FS brushcutters having a bicycle handle, a "J" handle, or a loop handle equipped with a barrier bar. To reduce the risk of eye injury always wear proper eye protection. Always use the appropriate deflector for the type of cutting attachment, as explained in your instruction manual.
WARNING! Improper use of any power tool may cause serious or fatal injury. Read, understand, and follow carefully the operating and safety instructions in your instruction manual before using such products.

STIHL products sold through U.S. STIHL Dealers are for distribution in the United States only.