Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.
From premium boat parts to trusted boat repair and convenient mobile boat repair, we proudly serve boaters throughout Clearwater, Tampa Bay, and Central Florida.
![Harken 29mm Carbo Air Block w/Swivel [340]](http://www.essentialmarineservices.com/cdn/shop/files/79079XL.jpg?v=1702457582&width=1445)