One end has a Delrin/stainless steel wire gate snap hook. The other end has a stainless steel split ring and cord with lock. These coil lanyards are
Phantom Aquatics Quick Release Coil Lanyard with Clip
WATER SPORTS - Scuba Diving - Clips & Lanyards - Page 1 - scubachoice
XS Scuba Fin Clips Bands
Buy Scuba Retractable Lanyard, 316 Stainless Steel Double-Clips and Spiral Core Anti-Lost Lanyard with Quick-Release Buckle & Dive Down Flag Webbing
OVOVFANY Scuba Retractable Lanyard, Stainless Steel Double-Clips and Spiral Core Anti-Lost Lanyard with Quick-Release Buckle
Owekfifv Scuba Diving Coil Landyard, Stainless Steel
Retractors/Clips — XS Scuba - Everything For The Perfect Dive
Reinforced with stainless cable for maximum strength Expandable to 52in Can be easily attached to all dive accessories Plastic Clip/Split Ring
XS Scuba 52 Coil Lanyard
Hose Adapters — XS Scuba - Everything For The Perfect Dive
XS SCUBA – Big Blue Scuba
Owekfifv Scuba Diving Coil Landyard, Stainless Steel
Accessories — XS Scuba - Everything For The Perfect Dive