This bump knob assembly fits lawn and gardening tools, usually trimmers. This part bumps on the ground to advance the cutting line from the spool. With time and use, this part can wear out easily. It is recommended to order an extra knob assembly to always have on hand. Refer to the manual provided by the manufacturer for installation instructions and safety practices.
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Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
