1. Made of high-quality plastic. Strong, neat butt joints. 2. Made of new materials, it is high corrosion resistance, strong aging resistance and tensile strength. 3. Widely used in FTTH fiber to the home. White and smooth, long service life, not easy to deform, not easy to yellow. 4. How to use: Fix the heat shrinkable tube in the protective box and cover the cover to protect the welded joint and heat shrink tube. Specifications: Material: PP Model: 1 in 2 out Applicable length: 100mm Size: 20*15*100mm