We have here a nice 18N Jacobs Drill Chuck No.18N. 1/8 TO 3/4'' Machinist CNC

Used....in very good condition. See pictures!

Chuck marked:  18N Jacobs Chuck Heavy Duty Ball Bearing NO. 18N  1/8"- 3/4"

Spins well....No worries about the condition of this chuck.

Note: The key handle slides out.  See pictures. 

See pictures.