Hex spacer 5/16" x 4" #6-32 taps
Ships from US and is sold by Marco Specialties$7.00
Hex spacer 5/16" x 4" #6-32 taps
#254-5018-03
Hex spacer post 5/16" x 4" long has #6-32 thread taps at both ends.
Reference:
0.53 oz