DYNABRADE 53104 3/8" Central Vacuum Drill

.7 hp (522 W) Vacuum Drills include collapsible Vacuum Shroud, which compresses around drill bit to effectively capture chips and debris.
Pistol Grip design includes slow-speed start-up trigger.
High torque air motor; comfortable insulated tool grip.
Includes Conductive Hose & Cuffs, to shield operator from electrostatic discharge (ESD). 1-1/4" (32 mm) Diameter Vacuum Port for connection to Central Vacuum System.

Keyless chuck can be tightened by hand.