Nobel TZNG04DHT Dual-Head Compact Wedge & T-Bar LocksNobel TZNG04DHT Dual Head Compact Wedge & T Bar Locks 2 Year Local Warranty Dual Head Security for Mixed Device Fleets The Nobel TZNG04DHT Dual Head Compact Wedge & T Bar Locks deliver flexible physical protection for devices that use either wedge style or T Bar security slots. Ideal for organisations with mixed hardware including laptops, docking stations, and peripherals this lock supports two common slot types with a single, compact mechanism.