Comparison : Item # MM1301-M06-F16-440, Standoff - Hex - Male - Male (M-M)
Item # MM1301-M09-F09-440, Standoff - Hex - Male - Male (M-M)
Item # MM1301-M12-F21-440, Standoff - Hex - Male - Male (M-M)
Item # MM1305-M06-F16-440, Standoff - Hex - Male - Male (M-M)
Item # MM1305-M09-F09-440, Standoff - Hex - Male - Male (M-M)