Corning® gel-loading polypropylene pipet tips feature a flat 0.4mm thick capillary end that allows easy access into vertical and horizontal electrophoresis gels. . Please check our Technical Information Listing on our Technical Information Listing for our Pipet Tip Compatibility Guide for additional pipet tip fit information. Tips are 83mm in length and have a total capacity of 200 µL.-200 tips/rack-Nonsterile, RNase-/DNase-free, nonpyrogenic and trace metal-free.