You can use them in various suitable situations , all parts are made of aluminum alloy , stainless steel and rubber , hard anodized , can be used in harsh environments , more stable and strong . 

CC-04 Strong rod clamps / clamped There are four 1/4-20 screw holes on the base , you can add or match more accessories , realize multiple functions of one base , and accomplish more tasks with fewer devices . 

Set includes:CC-04*1 DA-60*1 GB-01*1