... Inner fiber counts: 1~6 cores 2.2.0*3.0, 2.0*3.5,2.0*5.0,2.0*5.5, 2.0*6.0 3.Rohs CE support 2 core 2.0*3.5mm fiber cable ... high practicability4. Novel flute design, easily strip and splice, simplify the installation and maintenance5.Low smoke, zero halogen and flame retardant ... home and abroad to visit our manufactory and bulid the long term business relationshiop with us ! 2 core 2.0*3.5mm fiber cable