Cordless 20V String Trimmer
  • 2-in-1 edger and trimmer
  • 12” working width and .065" nylon cutting line with auto feed
  • Efficient 8000 RPM 20V battery-powered motor
Where to buy

The Westinghouse WST 20V 12-Inch String Trimmer is a versatile, high-performance tool designed to make lawn care easier and more efficient. This 2-in-1 tool easily converts between trimmer and edger modes in seconds, offering a 12" cutting path to tackle grass, weeds, and create clean, manicured edges where mowers can’t reach. Powered by a high-efficiency 8000 RPM motor and a .065" nylon cutting line with auto-feed, it delivers superior cutting performance while protecting your plants and flowers with its steel guide. The included 4Ah 20V lithium-ion battery and charger provide safe, extended use, offering the convenience of cordless operation. Its ergonomic design features a rust-free telescopic shaft, adjustable guide handle, and a lightweight frame weighing less than 7 pounds (with the 5Ah battery), ensuring effortless operation and reduced fatigue. Backed by a 2-year limited warranty and lifetime technical support from Westinghouse’s Nationwide Service Network, this string trimmer brings both performance and peace of mind to your outdoor maintenance routine. 

 

  • 2-in-1 Tool: Converts between trimmer mode and edger mode in seconds. Has a 12” path to cut grass and weeds and creates clean edges for a manicured look and healthier lawn 
  • Powerful Performance: A high-efficiency max 8000 RPM motor, a .065" nylon cutting line with auto feed, and a steel guide to protect plants and flowers as you get your lawn to that next level of finish 
  • Westinghouse 20V Battery Platform: Includes our 4Ah 20V lithium ion battery and charger for safe extended use with the freedom and ease of cordless energy. It powers all Westinghouse 20V lawn tools, so create a toolkit for yard care for seasons to come. 
  • Ergonomic and Efficient: User-friendly design with rust-free telescopic shaft, adjustable guide handle and rubberized main handle. Compact and lightweight at less than 7 pounds (including our 5AH battery) for effortless operation and reduced fatigue 
  • Performance & Peace of Mind: All Westinghouse outdoor garden products are functionally tested in the factory and have a 2-year limited warranty and lifetime technical support backed by our Nationwide Westinghouse Service Network 
  • Goes Where a Mower Can't: This battery-powered string trimmer/edger is user-friendly for all, with adjustable settings and lightweight design. It's ideal for trimming hard-to-reach spots, providing flexibility and ease for efficient, hassle-free lawn care to make your yard healthy and beautiful. 

Specifications

Cutting width 12 in.
Line diameter 0.065"
Line length 16.7 ft.
Shaft length 13.1-21 in.
Feed system Autofeed
Single or dual line Single
Speed (up to) 8000 RPM
Edge function Yes
Adjustable angle Yes
Voltage 20 Volt
Battery type Lithium-Ion
2.0ah run time 18 mins.
Compatible battery W20V2AH, W20V4AH, W20V5AH
Compatible battery charger W20V2AMP, W20V2DP
Warranty 2 Years
Included accessories Battery, Charger, Manual, Warranty
Product dimensions 51.6L x 12.8W x 12.7H in.
Unit weight 6 lb.
Package dimensions 44.9L x 10.8W x 5.1H in.
Part number WST 20V
Upc 850060639456

Lawn & Garden Warranty

Download

20V Battery & Charger Waranty

Download

Owners Manual

Download