Safety Precautions String trimmer line replacement is a job you should only do with the string trimmer completely powered down.

A lawn trimmer is essential for keeping those edges neat and tidy. However, if your trimmer isn’t performing like it used to, it might be time to replace the trimmer line.

Not sure which string to buy for your weed trimmer? We break down the options and what each factor means to help you choose a replacement line.