Petzl Micro Swivel – 23 kN Sliding D-Ring DMM Mini-Swivel 26 kN Edelrid Cupid Swivel DMM Nexus Swivel DMM Focus Swivel Petzl Open Swivel CT Twirl Swivel Camp Enigma Swivel CT Twister Swivel Aluminium Ring 30 kN - EN 795B Camp Gyro Swivel Camp Gyro1 Swivel Petzl Open 23 kN – EN 362 Ring Edelrid Cupid Steel Ring Edelrid Cupid ring Singing Rock Ringo Aluminium Ring