Crossfit Rig Shackle (Sold as a single shackle) Rig shackle attachments easily attach to CrossFit rig crossbeams to hang up gym rings or gym climbing ropes. Unlike hanging gym rings off of pull-up bars that slide back and forth, the rig shackles will keep your gymnastic rings set firmly in place. Crossfit Rig Shackle Specs: Made to fit beams of 75mm x 75mm with a 16mm attachment hole. Capable of holding 4.8tonnes Easy to set up Lifetime warranty
