Models 1/4 X 1/8 FF-B 2 36 0 1/4 GG-B 2 37 0 1/4 FG-B 1 20 0 1/4 FF-B 1 25 0 4-4 VTX-B 3 20 0 3/8 X 1/4 PTR-B 2 29 0