![[HK-1598] HARKEN 8 mm Stainless Steel U-Adaptor](http://www.yachtparts.com.au/cdn/shop/products/1598_1024x1024.jpg?v=1554367129)
![[HK-1598] HARKEN 8 mm Stainless Steel U-Adaptor](http://www.yachtparts.com.au/cdn/shop/products/1598_480x480.jpg?v=1554367129)
The 1598 U-adaptor allows blocks with up to 15 mm (19/32") posts to be attached to swivel bases or to other blocks with 15 mm (19/32") posts.
The 1598 U-adaptor allows blocks with up to 15 mm (19/32") posts to be attached to swivel bases or to other blocks with 15 mm (19/32") posts.