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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
![Harken 80mm Single Element Block Mastbase w/Swivel [6221] Winterizing Fastners (4)](https://cdn.shopify.com/s/files/1/0669/6068/7389/products/86595XL.jpg?v=1669269540)
Fastners (4)
Uses same bolt and hole pattern for installation as current Grand Slam series
Accommodates transom angles between 2° and 20°
08" clearance required from the back of the key pad's mounting location
Size - Oversized
Harken 80mm Single Element Block Mastbase w/Swivel [6221] Winterizing Fastners (4)80mm Single Element Block Mastbase with Swivel Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Elements design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks. Sideplates are hardcoat anodized to resist
