Adams Rite's 4066-01-628 Thumbturn Cylinder operates deadlocks or deadlatches without a key. It is made for MS® lock or 4900 deadlatches, and interchanges with standard 1" length, 1-5/32" diameter mortise cylinder. The cylinders are fitted with 2 keys per cylinder, and it is available in keyed different or keyed alike pairs.
- Aluminum construction
- Clear anodized finish