Selden makes deck swivels that incorporate its Cam Cleats. Selden deck swivels enable the sheets to rotate 360ﾰ and follow the trimmer movement. The swivel also has an adjustable arm that articulates from 0ﾰ to 45ﾰ vertically. Selden Deck Swivel with Cam Cleat 38 has composite and stainless steel components and is designed to accommodate lines up to 5/16 in (8mm). It has a safe working load of 264 pounds (120kg). It up to you to match it with the block that suits your needs. We are happy to help you make your selection.