Today we start offering the square Micro 64 probes that you have been looking for.
SOON - The Jumperkit 18001.10-Kit will include 3 Male and 3 Female Square Micro 64 probes.
You can also purchase the Square Micro64 separately in a pack of 3 Male and 3 Female here.
These probes are Tyco terminal part numbers 963716-1 (male) and 963715-1 (female) and the male measures .64mm.