Harken 40mm Pivoting Lead Block - Carbo-Cam Cleat [2157] Lighting | Navigation Lights Element blocks introduce sideplates that

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength

which automatically adjusts voltage to help ensure full battery charge depending on the ambient temperature of your battery installation

Box Dimensions: 3"H x 7"W x 9"L WT: 2

We have a built-in thermal cell that protects the pump and the vessel when things get too hot

Harken 40mm Pivoting Lead Block - Carbo-Cam Cleat [2157] Lighting | Navigation Lights Element blocks introduce sideplates that40mm Pivoting Lead Block Carbo Cam Cleat High strength pivoting lead blocks with cams are used for halyard controls on larger keelboats and as headknockers on dinghies and beachcats for sheeting directly from the boom. Hole spacing and rivet size are the same as Classic models, making upgrades easy. Cam reverses for either up or down cleating. Can be used as becket block. Specifications: Sheave (mm)40 mm Sheave (in)1 9 16 in Maximum line (mm)10 mm