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% & 2% slopes for soil or waste pipe installation. Measurement accuracy: 0.029â° = 0.5mm/m
for overhead measurements: 0.043â° = 0.75mm/m
type 81sremw 45 – 45Ⱐvial, v grooved base & rare earth magnets
type 81svw 360
- 360â° vial, v grooved base & rare earth magnets
the 81svw 45 has a fixed 45â° vial
- ideal for direct checking of struts & pipes at 45â° & has rare earth magnets for extra secure adhesion to pipes & other steel items.
six ring vial for 1 % & 2 % slopes
length: 10in.