Harken 60mm Triple Aluminum Element Block w/Swivel [6272] Cartography | Humminbird The 4" size is recommended

The 4" size is recommended for most jobs

for difficult installations

Box Dimensions: 5"H x 5"W x 9"L WT: 1

For use on systems up to 32 Volts DC

Typical applications would be for circulation applications such as hot water systems

Harken 60mm Triple Aluminum Element Block w/Swivel [6272] Cartography | Humminbird The 4" size is recommended60mm Triple Aluminum Element Block 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