BLACK+DECKER BESTA510 String Trimmer Review

BLACK+DECKER BESTA510 is budget priced electric string trimmer. It’s cord powered and has cutting swath of 14 inches. BLACK+DECKER BESTA510 uses 0.065” string and does up to 8,000 RPM.

As expected for a budget priced trimmer it isn’t very powerful. It works well for trimming and edging your home yard, i.e. for regular grass. It’s not however powerful enough for trimming overgrowths or thick grass.

Weight & Dimensions

BLACK+DECKER BESTA510 weighs 5.3 pounds. It measures 8.5 inches deep, 4.875 inches wide and 37.625 inches high.


It’s very lightweight so it doesn’t fatigue you too much, however ergonomics aren’t great if you are of above height. Shaft is adjustable in length, but even at the longest setting it’s too short if you are around 6 feet tall or taller. BLACK+DECKER BESTA510 is designed for people of (approximate) height range between 5’0” and 5’8’’.


BLACK+DECKER BESTA510 has auto feed spool feature but it doesn’t work well in sense it just wastes too much line.


Although most of the consumer feedback about BLACK+DECKER BESTA510 is positive, it still has relatively more complaints about it breaking after few weeks/months of use. From this we can presume that although it’s not a terrible unreliable string trimmer, it’s likely less reliable than average.

─── Related Article: Best Electric String Trimmers ───


BLACK+DECKER BESTA510 string trimmer is easy to assemble and whole process takes less than 10 minutes to complete.


Overall BLACK+DECKER BESTA510 is a mediocre string trimmer. It’s no powerhouse but for simple jobs it’s powerful enough, so whether it’s powerful enough depends on your intended use.


If you have come across this review you are probably looking for a good string trimmer to purchase. So to help you make the right decision here is a list of best string trimmers we have reviewed so far:

BLACK+DECKER BESTA510 String Trimmer Specs:

  • Type: Electric (corded)
  • Speed: 8000 RPM
  • Cutting Path: 14”
  • Line diameter: 0.065”
  • Weight: 5.3 lbs
  • Dimensions: 8.5″ x 4.875″ x 37.625″ (D x W x H)
  • Package contents:
    • 1 x BESTA510 String Trimmer
    • 1 x AF 100 Spool
    • 1 x Auxiliary Handle
    • 1 x Guard

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