Spirit level Proline 15934, length 0.8 m, bubble vial measurement tool

Proline 15934 is a compact 0.8 m spirit level designed for accurate alignment and leveling in carpentry, installations and general construction. The aluminium body with a powder-coated finish provides durability and resistance to wear, while the milled measuring edge ensures precise contact with surfaces. Three high-quality vials deliver clear bubble indication and are covered by a lifelong guarantee, supporting a measurement accuracy of 0.5 mm/m for reliable horizontal and vertical readings.

Advantages

The 0.8 m length balances portability and working reach, making the level easy to handle in confined spaces yet long enough for common leveling tasks. The aluminium construction combines light weight with structural stiffness, and the powder coating protects the surface against corrosion and abrasion. A milled measuring edge maintains straight contact with profiles and boards, and the included hanging holder enables convenient storage on site. The three vials provide clear, repeatable readings for both horizontal and vertical alignment.

Suitable for

• Carpentry and furniture installation
• Door and window fitting
• Shelf and fixture alignment
• General construction and renovation tasks

Key specifications

• Length: 0.8 m
• Measurement accuracy: 0.5 mm per 1 m
• Number of vials: 3 high-quality vials with lifelong guarantee
• Body material: aluminium with powder coated finish
• Edge type: milled measuring edge for precise contact
• Includes: holder for hanging storage

How to use

Place the spirit level on the surface to be checked, ensuring the milled edge sits flush against the workpiece. For horizontal checks use the central vial; for vertical alignment use the end vial positioned accordingly. Read the position of the bubble relative to the vial markings: when the bubble is centered, the surface is level or plumb. For longer runs, move the level along the surface and repeat measurements to confirm straightness.

Usage recommendations

Store the level on the included holder to avoid impacts that could affect vial calibration. Clean the milled edge before measurement to remove debris and ensure accurate contact. Periodically verify accuracy against a known reference surface and avoid exposing the aluminium body to harsh chemicals or prolonged moisture to maintain the powder-coated finish.