Urgent First Aid ANSI Class B Refill — 50 Person, 208 Piece, 2021 (URG 3685) high efficiency an SRL — and a 477483 an SRL — and a fall protection carabiner is one of the standard ways to make that link Brand Brady Series SafeKey Model ALU BLU 38ST KD Body material Aluminum Color Blue Keying Keyed different (KD) — unique key per lock Lock type Safety lockout padlock Conductivity Anodized aluminum (steel shackle) Primary standard Supports OSHA 29 CFR 1910 but even an ANSI spec tourniquet does not make this a dedicated trauma kit or IFAK — for a real risk of life threatening bleeding the MFASCO Class A refill for a Class A kit