Hex spacer 1/4 x 2-1/2 inches #6-32 tap
Ships from US and is sold by Marco Specialties$2.75
Hex spacer 1/4 x 2-1/2 inches #6-32 tap
#254-5008-16
Hex spacer Post 2-1/2 x 1/4 inches #6-32 Tap both ends.
Reference:
0.2 oz