![Harken 80mm Single Element Block Mastbase w/Swivel [6221] Communication 4 or 5 engines](https://cdn.shopify.com/s/files/1/0621/9680/9967/products/86595XL.jpg?v=1642656931)
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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
4 or 5 engines
max-width: 100%
UPC: 611679220240
an operating frequency of 28 to 60 kHz and 150 to 250 kHz
Take advantage of Montana's versatility
Harken 80mm Single Element Block Mastbase w/Swivel [6221] Communication 4 or 5 engines80mm 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
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