Vetec 1 kb Ladder contains 12 fragments consisting of 300 bp, 500 bp, 800 bp, 1 kb, 1.5 kb, 2 kb, 3 kb, 4 kb, 5 kb, 6 kb, 8 kb, 10 kb bands. Five μl of the ladder can be loaded directly into a single lane on an agarose (V900510) or polyacrylamide gel.