This bump head knob secures the line spool and allows line to advance. It will fit in many brands and models of handheld trimmers, gas trimmers, string timmers, and gas string trimmers, including select Bolens models of BL150 and BL100. Please use the part and model numbers below to verify that this bump head will work in your Bolens trimmer.
- Includes 1 bump head knob
- For many different trimmers
- Genuine MTD replacement lawn part for Bolens trimmers
Fits Bolens trimmers:
Part Numbers: 791-153066B, 791-153066, 791-147153