Perfect Plus™ 2 kb DNA ladder is ready to use DNA ladder for sizing small-to-large DNA fragments. Suitable for sizing linear double-stranded DNA during agarose gel electrophoresis. Consists of 8 bands with sizes of 50, 150, 300, 500, 750, 1000, 1500, and 2000 bp. For easy reference, the DNA fragment at  500 bp is three times brighter than the other bands in the ladder. Supplied in ready-to-load buffers containing tracking dyes. No preparation before loading required.