Whitney Tool 96423 — Drill Extension Collet, 33/64" (0.5156) Drill.
Series 4 Drill Extension Collet
- Drill Diameter: 33/64" (0.5156)
- Hex Size: Series #4, 13/16"
- Coating: No Coating
Part of the Whitney Tool Collet Type Drill Extension System series (Tap & Drill Extensions). Made in Bedford, Indiana, USA.


