The Corning® Smart Rack™ system makes refilling pipet tip racks easier than ever. The tips are contained on a plastic reload card, and transferred to a rack with a disposable reloading device (included). Please check our Technical Information Listing on our Pipet Tip Compatibility Guide for additional pipet tip fit information.---The Smart Rack™ is compatible with many popular brand 200µL 96-tip racks, and the cards are autoclavable.-Each reload card contains 94 tips and two corner anchoring pins that secure the card to the rack. (the 94 tip configuration,)-Smart Rack tips are nonsterile, autoclavable, DNase-/RNase-free, nonpyrogenic, and DNA-free.