Poleas Cuadruples

The Ronstan Ball Bearing Orbit Block™ Quadruple Block with Becket is engineered to deliver superior mechanical advantage without compromising lightness. The integrated becket completes high-mechanical-advantage purchase systems while...

The Ronstan Ball Bearing Orbit Block™ Quadruple Block with Shackle combines massive load capacity with full articulation through its stainless-steel shackle head. This four-sheave system uses high-performance ball...

The Ronstan Orbit Block™ Quadruple Block represents the ultimate in compact power and low weight for high-mechanical-advantage systems. By eliminating heavy metal hardware, its reinforced-polymer design provides an...

The Harken Carbo Quad Block is a high-density engineering solution for sheet systems requiring extreme mechanical advantage in minimal space. Its four aligned sheaves handle substantial loads with...

The Harken Carbo Quad Block is a high-density engineering solution for sheet systems requiring extreme mechanical advantage in minimal space. Its four aligned sheaves handle substantial loads with...

The Harken Carbo Quad Block with Becket adds an integrated attachment point to its powerful four-sheave configuration, enabling purchase systems with even greater mechanical advantage. High-load ball bearings...