The GRACO 116889 Coupler Ball is a replacement part designed for use with GRACO LineDriver and Heavy Duty LineDriver ride-on attachments for GRACO Line Marking machines. It is typically constructed from durable materials suitable for heavy-duty industrial applications, though the specific material is not specified in available sources. Its primary function is to securely connect and facilitate the operation of line marking equipment attachments. Key Features: Coupler Ball 116889 GRACO LineDriver, Heavy Duty LineDriver ride-on attachments for GRACO Line Marking machines Designed for secure attachment and reliable operation Ease of replacement and maintenance Suitable for heavy-duty, industrial line marking applications Applications:Used in line marking equipment for road, parking lot, and industrial surface marking applications. Installation Notes: Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the equipment. Ensure the equipment is powered off and depressurized before installation Follow the manufacturer’s instructions for attaching the coupler ball to the LineDriver or Heavy Duty LineDriver Regularly inspect the coupler for wear and replace as needed to maintain equipment safety and performance Periodically check the coupler for signs of wear or damage Clean the coupler and attachment points to prevent debris buildup Replace the coupler ball at recommended intervals or when wear is detected