Features & Benefits
- Jacobs Patented Ratchet Locking System inside - Great bit holding and prevents bit loosening under high vibration applications.
- Provides audible and tactile feedback when chuck is properly tightening.
- Prevents chuck from locking open at max. capacity
- Design for professional applications, 3/8" or 1/2" capacity, plastic or metal sleeve, single sleeve or double sleeve, carbide jaws(700 series) optional.