- Aluminum alloy reinforced frame.
- Three, fixed, unbreakable, plumb, magnified, fog-proof acrylic vials.
- Guaranteed to 0.5 mm/m in the standard position, and 0.75 mm/m inverted.
- Cushioned end caps to guard against shocks in the job site environment.
- Comfortable, cushioned grips for a firm grasp and steady level placement.