High quality metal clamps made for holding two tubular attenuator or filter to a chassis or support bars in RF applications. These were taken out of large military RF transmitters. All are in very good clean condition. The clamps are in two separate plates. with two tightening screws winch can be tighten to hold the filter / attenuator in place.
The attenuators these were used on had a diameters of 10mm.
Please note the filter are for illustration and are not included in the sale. Price is just for the 2 clamps.