Drummond Sequencing Pipette size 0.05-3 μL , adjustable in 0.05 μL increment
 
 
Sigma-Aldrich
For loading gel sample slots 0.4 mm or larger (0.2 mm with optional tips). Uses disposable, flexible, autoclavable, precision tapered polycarbonate tips (T5151 and T5026); plunger does not contact sample. Includes 6 tips (0.34 mm O.D.), two replacement O-rings, and one plastic spacer.