String Trimmers

Choose based on power needs and convenience: gas models offer the most power and longer run time for large yards but require mixing fuel and more maintenance; corded electric is lightweight and limited by cord length, best for small yards; battery (cordedless) balances power and portability with runtimes that depend on battery capacity and can be extended with spare batteries

Cutting width (head diameter) typically ranges from about 10 to 18 inches—wider heads cover more area faster but are heavier; pick a narrower head for tight or detailed work. Line options include standard round nylon for general use, thicker or twisted line for heavy weeds, and dual-line for faster cutting; some trimmers support fixed blades for thick brush

Higher voltage generally means more power, but motor efficiency and battery capacity (amp-hours) also matter; check manufacturer compatibility if you want to use the same batteries across tools, and consider spare batteries or faster chargers to extend run time

Regular maintenance includes replacing or refilling trimmer line, cleaning debris from the head and guard, checking and tightening fasteners, charging and storing batteries properly, and for gas models servicing the spark plug, air filter, and fuel system per the manual

Gas trimmers are the noisiest and heaviest, corded electric are the lightest and quietest, and battery models fall in between; factor in noise restrictions in your area and your physical comfort for extended use—look for weight and vibration specs if you have mobility concerns

Look for features like a debris guard, a shoulder strap or ergonomic handle, a bump-feed or auto-feed head with a safety cover, and compatibility with shields or attachments; always plan to use PPE such as eye protection, gloves, and hearing protection

Prices vary by type and power: budget corded and basic battery models can be found in lower price tiers, mid-range battery and consumer gas models are common around the category average, and high-capacity professional gas or battery models cost more; consider total cost including batteries, chargers, and replacement line