Ready Ladder™ 50 bp, DNA Marker offers 10 fragments ranging from 50 to 500 bp. Marker is premixed with loading dye for added convenience. Simply load 10 μl of marker per lane. There is sufficient material for 100 assays. Also available as 100 bp ladder (Ready Ladder™ 100 bp, DNA Marker) as 1 kb ladder (Ready Ladder™ 1 kb, DNA Marker).