
Empire True Blue 12-Inch
Score: 92/100
Johnson Magnetic Pocket Level
Score: 92/100Rankings

The Empire EM81.12 is a 12-inch heavy-duty magnetic torpedo level featuring an extruded aluminum frame and four True Blue vials for precise multi-angle measurements. It is designed for professional tradespeople who require high accuracy in tight spaces, offering a full-length magnet and a unique Vari-Pitch vial for slope calculations. It is ideal for plumbers, electricians, and framers needing precision in confined areas.

The Johnson Level 1721P is a compact magnetic pocket level designed for quick plumb and level checks in tight spaces. It features a 320-degree visibility vial with SurroundView technology for low-light readability and powerful GripTight rare earth magnets for secure attachment to ferrous surfaces. It is best suited for DIY enthusiasts and contractors needing quick, hands-free level or plumb checks in tight spaces.
| Attribute | ![]() | ![]() |
|---|---|---|
| ↓ lower better | 0best | — |
| ↓ lower better | 208.6 grams | 52 gramsbest |
4best | 1 |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Build & Durability(1) | ||
Housing Material | Extruded Aluminum | Metal |
Dimensions & Range(1) | ||
Weight (grams) | 208.6 grams | 52 grams |
Performance & Accuracy(2) | ||
Accuracy / Resolution | 0.0005 | N/A |
Vial Count | 4 | 1 |
Features & Usability(1) | ||
Magnet Type | Full-length | Rare Earth |

Products in the top-left offer the best value (high score, low price).

Professional sources and tool reviewers consistently praise the Empire EM81.12 for its precision and robust build quality. The Vari-Pitch vial is highlighted as a key utility feature for showing exact deviations, while the strong full-length magnet and top-read windows are noted as standout features for professionals.
Everyday users commonly praise the compact 12-inch size, noting its ability to fit into tight spaces where larger levels fail. The strong magnet is a recurring positive for hands-free leveling on posts, and the Vari-Pitch vial is valued for slope checks.
“perfect for this project”

“great for compact tri-axis readings in toolboxes”


