Product Name : UY Connector;Model : K1 Suitable Wire Conductor Diameter : 0.4mm-0.7mm Type : 2 Port, Single Blade Applicability : To Connect two Telephone Wires, Data Signal Cables, and Other Conductors. Size (Each One) : 15 x 10 x 8mm / 0.59" x 0.4" x 0.31" (L*W*H)