Dierks Production Lange's Oarlock Block Size:5/8 Injection molded PVC watertight inline

Injection molded PVC watertight inline fuse holders feature

Kind of like a Venus fly trap

The Zero Lines Map card is the starting point for building your own maps with AutoChart or AutoChart Live

A pros quote in Bassmaster magazine explained

and will void the product's warranty

Dierks Production Lange's Oarlock Block Size:5/8 Injection molded PVC watertight inlineHeavy duty, and ready to weld to you boat, these block will last you a lifetime. Just weld, pop in a bushing, and pop your oarlock inside. Solid welded construction Fits standard 5 8" oarlocks For drift boats Does not include bushing recommended for easy oscillation