Product Name : UY Connector;Model : K2 Type : 2 Port, Single Blade;Applicability : To Connect two Telephone Wires, Data Signal Cables, and Other Conductors. Suitable Wire Conductor Diameter : 0.4mm-0.7mm;Material : Plastic Casing, Gel-Filled Inside Color : Yellow;Size (Each One) : 1.2 x 0.8 x 0.8cm / 0.7" x 0.3" x 0.3'' (L*W*H) Total Weight : 10g; Gel-filled inside design promises an air-tight environment for conductors. Good quality and exquisitely design offer corrosion-resistant function to protect the connection against air and moisture Package Content : 20 x UY Butt Splice Connector Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.