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