The Klein Tools data and telephone plugs are professional grade and deliver consistent, reliable performance. It's thick 50 micro inch gold plating on contacts prevent erosion and extended connector life. The three pronged contacts provide more reliable connections with solid and stranded wire. The plug is housed in a durable resin with a spring clip.

Data plugs with three pronged contacts for more reliable connections with solid and stranded wire
Durable resin housing and spring clip
For 1, 2 or 3 line telephones
For solid or stranded conductors