HARKEN 29 mm Pivoting Lead Block w/Cam-Matic® Cleat, 395 Sailboat Blocks & Hardware_57 mm Carbo Ratchet Block - Swivel and Aluminum cheeks and Delrin

and Aluminum cheeks and Delrin (tm) ball bearing sheaves (506 series)

Harken 40mm Carbo Air® Single Block with Becket and Cam Cleat for quick wrist releases at the mark

This 20mm upright lead block is well suited for halyard turning blocks and running control lines under the deck

Harken 25mm Single High-Strength Block with high-load composite bearings to carry axial loads

HARKEN 29 mm Pivoting Lead Block w/Cam-Matic® Cleat, 395 Sailboat Blocks & Hardware_57 mm Carbo Ratchet Block - Swivel and Aluminum cheeks and DelrinHigh strength pivoting lead blocks with cams are used for halyard controls on larger keelboats and as head knockers 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.