uxcell 5pcs BNC Female Jack 4 Hole Flange Panel Chassis Mount Solder Adapter Product Name : BNC Female Panel Connector;Design : BNC FemaleChassisPanel Mount Panel Hole Diameter : 2.8mm/0.11";Total Size : 24 x 17 x 17mm/0.9" x 0.7" x 0.7" (L*W*H) Material : Metal;Color : Silver Tone, Gold Tone, White Net Weight : 40g Package Content : 5 x BNC Female Panel Connector