One of my favorite tools! Good news, friend! You can get a similar pair (I've had both) on amazon https://www.amazon.com/dp/B000IBG168/ .. They are made with most of the same parts. The cutter is a little different.
Something like this will work fine: Anteenna TW-999BNC BNC Male Handheld Antenna Scanner Antenna (20-1300MHz) with BNC Male Connector for Scanner Radio and Frequency Counters https://www.amazon.com/dp/B075QCJM6S/