Male Designed for Suppression of Electromagnetic Interference (EMI). Male Connector Impedance (\xc2\xb120%): 35 Ohms @ 25 MHz;70 Ohms @ 100 MHz. Write-on Window for Easy Labeling. Color-Coded Calibration, Earth-Tone Colors. Environmentally Friendly Cadmium-Free LCP Shell. Heavy Duty Construction. Accepts Stranded and Solid Wire up to Size 20 AWG. Slotted Captive Cover Screws. Internal Wire Divider.