1146 Steel D 3 Stage Autolock (ISC Wizard) NFPA G Rated
Nite Ize G-Series Dual Chamber Carabiner #4 - Stainless Steel GS4-11-R6 - The Home Depot
Nite Ize Stainless Steel G-Series Biner #3 - Black | Easy to Secure + Remove | Dual Chambers for Added Security | Key Control Accessory in the Key Accessories department at Lowes.com