Any trimmer by wahl or norelco. both are very qualtiy barnds.
Black and Decker arguably makes the best hedge trimmers.
Wahl seems to be the best known and respected name in trimmers.
Different manufactures have different specification for spark plug. Check your manual and set it using feeler gauge.
on most trimmers the gap is about 25 thousands !!
The "best" would be a subjective response. There are a few extremely popular manufacturers of trimmers that could be considered though. This includes Remington, Phillips, and Conair.
Consumer Guide Products has ratings for cordless string trimmers. Consumer Search (http://www.consumersearch.com) is another site with consumer ratings for string trimmers. And Consumer Reports magazine recently did an article about the best cordless string trimmers.
As used in homelite string trimmers is calls for .025. Other units may be different.
To sharpen gas hedge trimmers, first disconnect the spark plug and squeeze the upper and lower blades together. Then set the mill file against the tip of one teeth of the blade at a time.
Not all trimmers come with a comb,it is an accessory with some trimmers.
Their are many ways to remove nose hair. You can use tweezers, safety scissors, or battery operated trimmers. The best method to remove is to use battery operated "personal trimmers".
Power trimmers do save much more time than normal trimmers, but are more difficult to maintain.
Some of the finest weed trimmers come from brands such as black and decker and also John Deere because they are efficient to use throughout a number of years.