Quick view #4 X 1", ID=0.115" Round Spacers, 1/4" Diameter, Aluminum Spacers are unthreaded precision tubes which allow the entire bolt pass through.Aluminum: light weight, corrosion resistant and has excellent electrical and thermal conductivity.Diameter (Nominal): #4Length (Nominal): 1"Inside Diameter (Nominal): 0... $216.07 Select Quantity Compare