![[HK-3123] HARKEN 102 mm Aluminum Mastbase Block](http://www.yachtparts.com.au/cdn/shop/products/3123_835df7f2-e9ec-4acd-aeb4-2b3787500326_1024x1024.png?v=1554367708)
![[HK-3123] HARKEN 102 mm Aluminum Mastbase Block](http://www.yachtparts.com.au/cdn/shop/products/3123_835df7f2-e9ec-4acd-aeb4-2b3787500326_480x480.png?v=1554367708)
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.