Hex spacer 1/4 x 3-1/2 inches #6-32 taps
Ships from US and is sold by Marco Specialties$3.25
Hex spacer 1/4 x 3-1/2 inches #6-32 taps
#254-5008-27
Hex spacer 1/4 x 3-1/2 inches long with #6-32 thread taps at each end.
Reference:
0.3 oz