32mm (1 1/4") beam track - mounting holes are on 100mm (4") centres and take 6mm (1/4") fastenings.
For boats to 40'
Australia's largest marine accessories retailer. Serving boat owners since 1962. With sixteen big supermarkets and mail order departments Australia wide Whitworths Marine & Leisure offers the best service, convenient locations, a huge selection of quality products, and unbeatable prices.