These flat gel loading tips feature Universal fit for research-grade pipettors. They have an 83mm length for access to the bottom of narrow vessels and gel wells and a 5μl graduation for quick volume checks. The end of the flat versions feature a 0.4 inch long duckbill that is either .37mm or .17mm thick!
Use tips with 0.37mm outer thickness for loading 0.4mm thick gels and 0.17mm outer thickness for loading 0.2mm thick gels.