Replace worn-out keel rollers, wobble rollers, guides and bow stops with the Yates Replacement Boat Rollers. Constructed of heavy-duty, nonmarring rubber. Available: PKG Ribbed Roller Kit, Keel Roller 5/8 ID, V-Keel Roller 5/8 ID, Spool Roller 5/8 ID, Spool Roller 1/2 ID, Rib/Wobble 3/4 ID, Rib/Wobble 5/8 ID, Wobble Roller 3/4 ID, Ribbed Wobble 7/8 ID, Ribbed Wobble 1-1/4 ID, Bow Roller 1/2 ID, Y-Stop Roller 1/2 ID, Molded Roller 5/8 ID, End Cap 1/2 ID. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Rollers.