The CommScope ADC 6SADANSM-SC02 SC/APC Simplex Fiber Optic Adapter Lot of 21 is a set of high-quality adapters designed for networking and computer cables. These adapters feature a 1:1 connection split/duplication, with SC and SC/APC connectors on both ends. Manufactured by CommScope, these adapters come with a manufacturer's warranty of 3 months and are compatible with the ADC6SADANS model. The black color and simple design make them easy to identify and use, while the unit quantity of 21 ensures you have plenty for your networking needs.