These are on eBay on a regular basis.....

turns out you only need about 2 or 3 to cover all your needs.

73, Phil
W5BVB


"JONWEINER" wrote in message
...
COMPLETE 10 PIECE SET OF RARE AND HARD TO FIND BRISTOL SPLINE WRENCHES -
PERFECT FOR THOSE HARD TO REMOVE COLLINS AND HALLICRAFTERS KNOBS -
COMPLETE
WITH VINYL CARRYING POUCH

Kit contains 6 flute wrenches in major inch diameters .060, .072, .096,
..111,
.133, .145, .168, & .183, and 4 flute wrenches in .069, & .076. Includes
all
sizes necessary for radio repair, including the special size used on the
Collins 4:1 vernier knobs. Don't risk those valuable knobs, use the
correct
tool for knob removal. Buyer to add $2. shipping (USA), $3. foreign.