The Really Right Stuff TFC-24L Tripod has improved ergonomics that make operating more comfortable and seamless. Additional 1/4"-20 sockets along the outside of the tripod's apex allow you to attach optional accessories and shoulder-strap mounts. The Mark 2 tripods are faster to lock/unlock and hold up better to the elements. Redesigned twist-locks prevent grit and debris from contaminating the threads.FeaturesTwist locks with integrated wipersImproved knurling pattern O-rings help keep Vented clevis designHigh strength to weight ratio