Each column blank kit includes a precision-bore polished 316 stainless steel column blank, two zero dead volume external reducing unions (internal unions with 10 mm I.D. blanks) with nuts and ferrules for 1/16 in. O.D. tubing, and two 2 μm frits.
Material: 316L stainless steel
I.D. × O.D. × L: 4.6 mm × 1/4 in. × 15 cm