Model No. ST4525

25cm 450W Strimmer® Grass Trimmer

Where to Buy


Features + Benefits

  • Edging Guide - Edging guide wire for neater lawn edges.
  • Compatible with the CM100 wheeled base for more controlled, comfortable cutting over larger areas.
  • Trim ‘n’ Edge® - Easily convert from trimming to edging mode by unlocking twisting the pole.
  • Powered by E-Drive – High torque gear system and 450W powers through tough overgrown areas quickly without clogging.
  • Telescopic Tube - Telescopic tube allows you to match the strimmer to your height for optimal comfort
  • Fast Cutting - 25cm cutting swathe for fast job completion over large areas
  • Comfort and Control - Adjustable second handle for improved ergonomics
  • AFS® - Automatic single line feed system, saves you time and effort
Black and Decker - 25cm 450W Strimmer Grass Trimmer - ST4525

Product Specs

Power Source Corded
Garden Size Medium
Feed System Automatic Feed
Power Rating 450 W
Cutting Width 25 cm
Edging facility Edging Guide
Line cutting speed 7300 rpm
Line diameter 1.6 mm
Secondary handle Yes
Line supplied 9 m
Adjustable Handle Yes
Telescopic shaft Yes
Sound Power 93 dB(A)
Sound Pressure 78 dB(A)
Vibration 3.8 m/s²
Weight 2.5 kg
Replacement Spool A6481

String Trimmer 450W reviews verified by reevoo
Verified reviews of String Trimmer 450W

out of 10

51 reviews

Ease of use
Value for money
Ease of storage
Overall rating
Scores 8.1 out of 10 based on 51 reviews
out of 10


Norwich GB Nothing
Automatic line feed
Reviewer left no comment
Confirmed purchase: 09 June 2018
Published on: 23 September 2018
out of 10


Renfrew GB Nothing
It's easy to handle and just right length for someone m y size
Confirmed purchase: 19 July 2018
Published on: 16 August 2018
out of 10


Auchterarder GB
Does what it says on the box
None so far though will not br in heavy use till spring
Confirmed purchase: 17 November 2017
Published on: 11 December 2017