Hi Barry and Penny,
You can get a replacement from. al Meekens at gearsmade.com.He can make it in plastic, like the original, or you can choose metal. You may also be able to fix it yourself. My repair job has lasted 10+ years and still going strong. Search my earlier posts for how to do it
Cheers, Craig Briggs SN68 Sangaris, sailing off St Marys northbound.