The 124/8 BLKH- COMBO is the kit I recommend. It includes the 124 probe, 118 probe, 8BLKH Hook T-handle safety cutter, and the Model 916SBK Triage knife with folding safety cutter. You can also purchase probes individually.
Benchmade Interdiction Kits Specs:
Probes: A variety of lengths and diameters, ranging in size from 64 inches for the model 164 to 18 inches for the models 118 and 124
Combo Kit Contents: 124 probe, 118 probe, 8BLKH Hook T-handle Safety Cutter, and model 916SBK Triage knife