http://www.filmtools.com/ultra-light-control-systems-8inch-double-ball-buoyancy-arm-db-bl08.html5105Ultralight Control Systems 8" Double Ball Buoyancy Armhttp://cdn.filmtools.com/media/catalog/product/1/_/1_3_8.jpg84.95USDInStock/Camera & Accessories/Camera Accessories/Articulating Arms & Shoe Mounts<ul>
<li>ULCS 8" Double Ball Buoyancy Arms </li>
<li>Offsets heavy equipment while used underwater</li>
<li>Amount of buoyancy per arm length: 4.5oz</li>
</ul> This <strong> 8" Double Ball Buoyancy Arm by Ultralight Control Systems </strong> were designed for the heavy Digital SLR housings and video housing.
They are 2" in diameter and constructed the same as the regular buoyancy arms. These arms have 2.5 times the amount of buoyancy over regular buoyancy arms. You will need to use the <a href="http://www.filmtools/ultra-light-control-systems-clamp-set-db-bl arms-ac-scb.html" >AC-CSB</a> in order to attach more arms for more buoyancy force. The 8" arm will provide you with 4.5oz of buoyancy force.
CAT DB-BL0884.95Ultralight Control Systemsadd-to-cart