About GYTZS model, The fibers, 250μm,are positioned in a loose tube made of a high modulus plastic, the tubes are filled with a water-resistant filling compound. 

About model GYFTA53, the 250um fibers are positioned in a loose tube made of high modulus plastic. The tubes are filled with a water-resistant filling compound. 

About GYTZA model, The fibers, 250μm,are positioned in a loose tube made of a high modulus plastic, the tubes are filled with a water-resistant filling compound.

About GYTS model, The fibers, 250μm,are positioned in a loose tube made of a high modulus plastic, the tubes are filled with a water-resistant filling compound. 

About the model GYTY53, the 250um fibers are positioned in a loose tube made of a high modulus plastic. The tubes are filled with a water-resistant filling compound .