PRO SC AC Just One Bite II the cross bore should be

the cross bore should be 2-1/8-inches in diameter and the edge bore should be 1-inch in diameter

POWERSTATE Brushless Motor delivers longer life and higher performance REDLITHIUM battery technology: superior pack construction

Up to 20x more holes than standard diamond hole saws and up to 10x faster than standard glass and tile saws

Low battery indicator and easily accessible battery compartment

PRO SC AC Just One Bite II the cross bore should beFinds wood and metal studs and joists behind walls, floors, and ceilings up to 1 1 2" deep. For safety, it indicates the presence of AC voltage while scanning. Locates standard 120 240V AC wiring. Finds wires in plastic conduit or Romex cable. Select between 3 4" and 1 1 2" scan depth. SpotLite pointing with audio signal, and LEDs indicate stud edges. Instant calibration. Operates on 9 volt battery (included).