Knob-bump 518803003

This is an authentic OEM sourced component which is designed for use with Toro handheld string trimmers. It is a high-quality replacement for a missing or a faulty bump knob that helps to retrieve the line. Please make sure to refer to the owners manual and the appropriate diagrams of your model for the correct application of this part. Keep in mind this high-quality bump knob is made of durable plastic and is sold individually. Replacing it is a simple task that does not require any tools, simply remove the old and secure the new.