Check the listing for details. Morse Watchmans KR20-25 Security Ring. Condition: New. Listed at 2.71 USD. The Morse Watchmans KR20‑25 Security Ring is a high-security, tamper-proof key ring ideal for key management in corrections, property management, gaming, and similar industries. Constructed with a 5/32" stainless steel ring and a uniquely serialized, replaceable hub, the KR20‑25 ensures secure access control with full audit traceability. The 2" x 2½" ring provides ample space for multiple keys, while the hub system enables easy reuse—just snap in a new hub when needed. Each hub is color-coded and serialized, allowing quick visual identification and reducing the risk of tampering or key substitution. Unlike crimped or welded rings, this one requires no tools to close or reopen, boosting efficiency during key changes. Durable and corrosion-resistant, the KR20‑25 offers a long-lasting.