No batteries or calibration required, Contains powerful neodymium magnets, Remove magnetic shield and slide stud magnet across wall unit until it attracts a nail or screw head in stud
Features- No batteries or calibration required
- Contains powerful neodymium magnets
- Remove magnetic shield and slide stud magnet across wall unit until it attracts a nail or screw head in stud
- Replace magnetic shield after use to prevent the powerful magnets from attracting to tools in tool box
Specifications- Dimension: 7" H x 4" W x 1.5" L
- Weight: 0.3 lbs