Harken 60mm Single Element Block Mastbase w/Swivel [6220] Winterizing | Battery Management Large 65mm (2 9/16") diameter

Large 65mm (2 9/16") diameter face

These optics are designed exclusively by OceanLED and offer a truly striking 90Ëš surface beam angle with a focused 20Ëš side beam angle providing greater water penetration

and for other utility applications

one to fit 1" and one to fit 1-1/4" square rail

Harken 60mm Single Element Block Mastbase w/Swivel [6220] Winterizing | Battery Management Large 65mm (2 9/16") diameter60mm 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