Knowing British conservatism, they may be Whitworths! The BS I used for almost ten years back in the 60s on a 24' Rainbow was so reliable I never had to find out. Rick M-17 Lynne L ************** A Good Credit Score is 700 or Above. See yours in just 2 easy steps! (http://pr.atwola.com/promoclk/100126575x1219671244x1201345076/aol?redir=http... %3D62%26bcd%3DfebemailfooterNO62)