SeaSense 50089810 Greaseable Roller Shaft 1/2" x 5-1/4" Zinc Plated

The SeaSense 50089810 is a 1/2" x 5-1/4" greaseable roller shaft featuring a durable zinc-plated finish for corrosion resistance in marine environments. This patented design (Patent #D390167) revolutionizes trailer maintenance by incorporating grease fittings on both ends, allowing you to properly lubricate your rollers according to manufacturer specifications without the time-consuming process of removing them from the trailer.

Key Features:

• Dual grease fittings on each end for easy maintenance without roller removal
• 1/2" diameter x 5-1/4" length dimensions fit standard boat trailer applications
• Zinc-plated construction provides superior corrosion protection in saltwater and freshwater
• Compatible with keel rollers, spool rollers, and bow rollers
• Includes E-clips for secure installation
• Patented design outlasts conventional roller shafts

This innovative shaft design eliminates the need for frequent roller removal during routine maintenance, saving you time and effort while ensuring your boat trailer rollers remain properly lubricated for smooth operation and extended service life.