Seachoice® 4" Polyurethane Spool Roller
Stoltz Roller Keel Poly 4" Long, 1/2" Shaft
Stoltz Bow V Stop Roller Poly 4" Long, 1/2" Shaft
Tie Down Engineering® Spool Type Keel Roller, 4" 5/8" Hole Size
Seachoice® 4" Spool Roller