| Brand | Jacobs |
|---|---|
| Shank Type | Taper Shank |
Check the listing for details. Jacobs 843 Morse Taper Extension Adapter MT4 to MT3. Condition: Used. Listed at 70.00 USD. The Jacobs taper extension sleeve, model 843, converts MT4 to MT3. Precision-ground steel adapter for use in drill presses, lathes, and machine tools. Made by Jacobs. Used tool. See photos for exact condition.