Quantum Instruments specializes in development and manufacturing high-quality, innovative dependable products and offers reliable customer technical support.These long cords connect high voltage power to flashes and are used with Turbo 2x2. These cables are designed for Nikon SB800, SB28-EURO, 28D, 28DX, 80DX.

CK-E is also compatible with Charger Devices CD-2X2.