Need more torpedo level angles without extra length?
Klein ACCU-BEND is 6.25 in long; Billet is 8 in. Both have four vials at 0°, 90°, 45° and 30°. Extra length adds no fixed angles.
Both are magnetic, but vial count cannot establish accuracy.
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With no preferences selected: ACCU-BEND Level, 4 Vial is one option to compare.
Your choices are compared with each model’s product details. A missing or conflicting value stays unknown and cannot satisfy a choice you select. The starting order helps you browse; it does not rate real-world performance.
Source dates appear with each link below. A source date does not confirm today's price or stock.
Type 81 S Die Cast Torpedo Level: Source 1 ↗ · September 28, 2026
Type 81 SM Die Cast Magnetic Torpedo Level: Source 1 ↗ · September 28, 2026
Type 81 SM W360 Die Cast Magnetic Torpedo Level, with protractor vial: Source 1 ↗ · September 28, 2026
Type 81 SM W45 Die Cast Magnetic Torpedo Level, with 45° vial: Source 1 ↗ · September 28, 2026
Shorter levels can offer more vial positions
Lengths span 6.25 to 10 in, with 2 to 4 vials. The Klein Tools ACCU-BEND Level, 4 Vial is 6.25 in long; the Torpedo Billet Level, Rare-Earth Magnet is 8 in long and also has 4 vials. Extra length does not automatically add vial positions.
Choose the angles you need from the vial descriptions, then consider length and body material. Klein Tools includes a plastic-bodied option as well as aluminum models; the STABILA options here use aluminum. Vial quantity and material are construction details, without a leveling-accuracy trial behind them.
The magnet switch mostly separates known from unknown
Magnetic-base information is known for 9 of the 10 products, and each of those has a magnetic base. Turning on the magnetic control removes the entry with unknown magnet information; it cannot narrow the magnetic models further.
For that group, use length and vial count to refine your choice, then read the actual vial-angle descriptions. A pitch vial and an adjustable angle vial offer different layouts; the magnetic checkbox says nothing about magnet strength or the surface on which you will use it.
Before you buy
Can I choose an adjustable angle?
STABILA 81 SM W360 has three vials with an adjustable 360° protractor vial. Its 10 in length uses more storage room; read the full angle column.
Why is STABILA 81 S’s magnetic value unknown?
Its page does not clearly list a magnet system. It cannot meet a magnetic-base preference; no magnet is inferred from the other 81 models.
Can I order every level directly from the maker?
Some exact model pages route purchases through dealers. Dealer stock has not been checked. A magnetic base helps on steel, but follow the maker’s use guidance. Klein ACCU-BEND is 6.25 in long; Billet is 8 in. Both have four vials at 0°, 90°, 45° and 30°. Extra length adds no fixed angles. Choose ACCU-BEND if you need those angles in less space. Billet needs more room for the same angles. Both are magnetic, but vial count cannot establish accuracy.