Keuffel & Esser N4081-3 Cursor Bars

Crumbling Cursor Causing Concern? Correct it Conclusively with this Clever Creation!

Replace your crumbling K&E slide rule cursor bars with this! Quick print with integrated spring. 

This will also fit N4080-3 rules and probably others as well.

Uses original lens and frame, and 8 M2 self tapping screws to hold it all together.