Stabila 81 SV Magnetic Rare Earth torpedo levels as with Type 81S or 81SM but with additional angle vial either pre-set or adjustable to report an angle. The model with V-grooved base also includes the special 6 ring vial for marking 1% and 2% slopes for soil or waste pipe installation.
V grooved base and rare earth magnets.
Measurement accuracy: 0.029° = 0.5mm/m.
For overhead measurements: 0.043° = 0.75mm/m.
Manufacturers Product Code GRPSTB81SVW45
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