A clamping band for affixing an electromagnetic shielding sleeve to an electrical cable or the like, which band may be positioned around the connector and tightened by a pulling force, and which band can be removed and replaced. The band comprises a single strip of metal with a strap section and a buckle section, with the buckle section having an opening for receiving the strap section to form a circle for positioning about the shield and connector. The band is tightened by pulling to the desired size, after which it is folded over to lock the band in place and cut to an appropriate length.