Blank keystone patch panel, 48 port, 19inch x 3u our blank 19 inch keystone patch panels allow you to mix and match by inserting your own jacks.These blank panels accept almost any manufacturers keystones.48-port 3-row snap-in panel dimensions: 19inch(w) x 5 1/4inch(h) high-grade 16-gauge thick rolled-edge panel numeric-stencilled port id labels 1 x eia unit