General Wire L-35FL1-A-DH 35' x 5/16" Down Head Replacement Flexicore Cables for Hand Tools (Handles Sold Separately)Heavy gauge wire coiled tightly around 42 strand aircraft type wire rope and heat treated. Has unequalled strength and the right amount of flexibility. From the Manufacturer Heavy gauge wire coiled tightly around 42 strand aircraft type wire rope and heat treated. Has unequalled strength and the right amount of flexibility.