![[HK-1990] HARKEN 76 mm Aluminum Mastbase Block](http://www.yachtparts.com.au/cdn/shop/products/1990_1024x1024.jpg?v=1554367690)
![[HK-1990] HARKEN 76 mm Aluminum Mastbase Block](http://www.yachtparts.com.au/cdn/shop/products/1990_480x480.jpg?v=1554367690)
Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase.
Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase.