Long Multi-purpose (MP) Clamp ~with ShackleIn addition to being a clamp for attaching two 1" standard ball mounts together, the MP Clamp also features an additional socket equipped with a removable shackle for attachment of lanyards or other accessories. This clamp features a longer clamp body for use with flotation arms or other applications that requires a greater clearance than the normal standard clamp. The Nauticam Light Mounting System features a complete array of industry standard 1"