![Harken 40mm Pivoting Lead Block - Carbo-Cam Cleat [2157] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/79733XL_650x.jpg?v=1677111358)
Product Details
40mm 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 Ø (mm)40 mm
- Sheave Ø (in)1 9/16 in
- Maximum line Ø (mm)10 mm
- Maximum line Ø (in)3/8 in
- Maximum working load (kg)91 kg
- Maximum working load (lb)200 lb
![Schaefer Single Aluminum Block - 51mm Sheave [504-05] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/74715XL_{width}x.jpg?v=1677098770)
![Schaefer Series 3 Flat Base/Alum Cheek/Delrin Sheave [303-09] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/74707XL_{width}x.jpg?v=1677098767)
![Ronstan Kite Block - Black w/White Sheave (Pair) [RF13101-2] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/55071XL_{width}x.jpg?v=1677092424)
![Ronstan Series 30 Ball Bearing Orbit Block - Cheek [RF35151] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/55176XL_{width}x.jpg?v=1677092481)
![Ronstan Series 50 All Purpose Block - Single - Universal Head [RF51100] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/55253XL_{width}x.jpg?v=1677092525)
![Ronstan Series 30 Block - Single - Loop Top [RF280] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/55161XL_{width}x.jpg?v=1677092470)
![Ronstan Series 40 All Purpose Block - Single - Universal Head [RF41100] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/55201XL_{width}x.jpg?v=1677092491)
