USB 3.1 Type-C Dual Screw Locking to Standard USB3.0 Data Cable 2m Panel Mount Type With Panel Mount locking Screw Length: 120cm/200cm/300cm Type C connector is the new design for USB 3.1 Reversible Design for Type C connector Response to the growing needs for secure interconnection, the USB-C dual screw locking connector and single screw locking connector will provide more reliable and secure mating mechanism for industrial and other user application.