This RJ11 to RJ45 adapter is made of premium materials for long-lasting use. Constructed with ABS and copper, it offers high durability and resistance to deformation. Fine workmanship ensures reliability and practicality. This RJ11 to RJ45 adapter facilitates smooth and efficient network conversion.Features:- Color: Black- Material: ABS, Copper- Size: 4.5 x 1.0 x 0.1 cm / 1.77 x 0.39 x 0.04 in- Phone RJ11 6P4C female to Ethernet RJ45 8P8C male adapter- Durable construction supports stable signal transmission- Easy to use; connects analog phone devices such as telephones, fax machines, and caller ID units via an Ethernet jack- Secure connection with stable contact for improved transmission efficiency- Well-built design with a professional structure for everyday practicalityPacking List:2 x RJ11 to RJ45 adapters