Fair-Rite Openable Ferrite Clamp, 39.4 x 21 x 21mm, For EMI Suppression, Apertures: 1, Diameter 9mm, Series: 04, Type: Round Cable Snap-Its, Material: 75 Material, Impedance at 25 MHz: 180Ω, Key: No, Openable: Yes, Outer Width: 39.4mm, MPN: 475178281