Amazon lists the 21272 as being a single line feed, though the greenworks site lists it as a dual line -can someone confirm for me please?

It is a dual line and you can get replacements by searching for PA66-G30 which is in the spool. Just bought an extra 6 pack on amazon for 9.99.

What is the height of the product?

Don't know exactly (can't get at it to measure right now) but the handle can be extended so it is a comfortable distance so a medium height person can hold it so the bottom (guard and cutting lines) reaches the ground. I would estimate 36 to maybe 44 inches.

Can I purchase string for this and wind it myself instead of buying the prestrung spools? I have done that for years with my Black and Decker trimmer

Yes you can. Winding the sting is not a problem. Putting the spool back into the trimmer is not as easy as your B&D.

I have been seeing reviews that say it's powerful. Does that only apply to the 10 amp or is the 4 amp impressive as well?

The 10 Amp is certainly the more powerful of the two. The 4 Amp is quite adequate for normal household use.

String Trimmer | Desertcart Guernsey

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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£250.27

Duties & taxes included

In stock

Sold byAmazon GuernseyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Guernsey.

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Description

🌿 Power Your Lawn, Power Your Lifestyle

EXTENDED RUN TIME - Tackle up to 1/4 acre on a single charge with 1.5Ah, 2Ah, or 4Ah battery options.
VERSATILE 24 V PLATFORM - Seamlessly switch between over 50 indoor and outdoor Greenworks tools with the same battery system.
LIGHTWEIGHT ERGONOMIC - At just 6.35 lbs, enjoy effortless maneuverability and reduced fatigue during prolonged use.
3 YEAR WARRANTY PROTECTION - Invest confidently with a comprehensive 3-year tool and battery warranty backing your purchase.
UNMATCHED BATTERY PERFORMANCE - Experience fade-free power with no memory loss after charging, ensuring consistent trimming every time.

The Greenworks String Trimmer is a lightweight, battery-powered outdoor tool featuring a 24V lithium-ion battery that delivers 20% more power and 35% longer run-time. Compatible with over 50 Greenworks products, it offers fade-free performance and supports multiple battery capacities to efficiently manage up to a 1/4 acre. Backed by a 3-year warranty, it’s designed for professionals and enthusiasts seeking reliable, eco-friendly lawn care.

Specifications

ASIN	B086K5HG7F
Batteries	1 Lithium Ion batteries required. (included)
Batteries Included?	Yes
Brand	Greenworks
Color	Green
Customer Reviews	4.0 4.0 out of 5 stars (700)
Date First Available	22 July 2020
Item model number	ST24B214
Manufacturer	Globe
Power Source	Battery Powered
Product Dimensions	100.58 x 10.92 x 24.89 cm; 3.98 kg
Size	11-Inch
Style	24V 2Ah Battery and Charger

Reviews

R**R

Hard to find replacement line

4.11.2024

L**.

Fait bien le travail. Bon produit. Se manipule bien. Je recommande .

5.07.2025

T**D

I still need to test noise level (w/ my neighbors) but so far so good. Does the job and I am using the batteries that came with my Greenworks 2 x 24V (48V) 21" Brushless Self-Propelled Mower, (4) 4Ah USB Batteries will be monitoring the string feed given feedback from other buyers.

11.06.2021

S**E

For me, at 74 years old, lots of things are too heavy for me. But this trimmer is perfect. It does a good job and lasts long enough to trim my 1/3 acre yard. It doesn't die after 1/3 acre, but why would I keep using it once everything is looking beautiful? I'd recommend no matter your size or age. It's a great product.

5.06.2024

J**Y

THIS IS LIGHT WEIGHT AND EASY TO USE.

28.06.2022

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

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2 weeks ago

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£250.27

Duties & taxes included

In stock

Sold byAmazon GuernseyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Guernsey.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago