Milwaukee 2291-21
Most CompactFriendsWithTools.io earns a commission from qualifying purchases made through links on this page, at no additional cost to you. We do not test these tools ourselves — all claims are sourced from manufacturer specifications, retailer listings, and aggregated user reviews, each linked inline. Prices and ratings were verified on April 2026 and may have changed.
Summary
4.1 stars, 2,600 reviews. Compact enough to fit in a pocket. LED arrows point toward the stud center. Detects stud, metal, and AC wire. Users say it works well on standard drywall but struggles with thicker walls. Good value for a multi-mode scanner at this price.
$30-50 Home Depot, Amazon as of April 2026
Key Specifications
| scanDepth | 1.5 in |
| modes | Stud, metal, AC wire |
| sensors | Multi-sensor |
| display | LED arrows + audio |
| power | 9V battery |
| specialFeatures | Directional arrows |
Pros
- Three detection modes at a mid-range price.
- Compact pocket size.
- LED arrows guide you to the stud center.
- Milwaukee brand quality.
Cons
- 1.5-inch scan depth is average.
- Less reliable than Franklin on standard drywall.
- Edge detection, not full-width center.
- Directional arrows can be confusing until you learn the behavior.
- 9V battery.