Bosch GLL 18V-120-33 CG Line Level 35 m Range 18 V Li-Ion

The Bosch GLL 18V-120-33 CG Line Level is a professional measuring instrument engineered for high-precision alignment and leveling tasks on demanding jobsites. Operating with an 18 V Lithium-Ion battery system, this robust line laser projects 3 x 360° laser lines to facilitate complex layout and leveling operations. It features a maximum working range of 35 meters, a leveling accuracy of 0.3 mm per meter, and a self-levelling range of 4 degrees. Built for durability, the device includes a rubber-enforced housing, protected laser windows, and an IP65 rating against dust and water ingress. Integrated mounting options include strong magnets and standard 1/4-inch and 5/8-inch tripod threads for versatile placement.

Advantages

This professional line level offers exceptional operational flexibility through its multi-power source compatibility, allowing users to switch between 18V batteries, 12V batteries, and alkaline C-cell batteries to prevent work interruptions. The integrated mount equipped with strong magnets ensures secure attachment to metal surfaces, while the pivot fine adjustment mechanism allows precise manipulation of the vertical laser line without losing the established reference point. The durable construction with an IP65 protection rating and rubber-reinforced elements guarantees reliable performance in harsh construction environments. Additionally, remote control capability via a dedicated smartphone app enables hands-free operation to save time and improve measurement efficiency.

Suitable for

• Installing drywalls and metal studs
• Aligning window and door frames
• Installing suspended ceilings
• Routing pipes and aligning electrical sockets
• Interior finishing and general construction alignment

When it may not be suitable

This measuring tool may exceed requirements or prove less practical for basic household DIY tasks where a simpler, lower-range cross-line laser would suffice. It might also be less optimal for large outdoor civil engineering projects that require a rotary laser with hundreds of meters of operating range.

Key specifications

• Maximum working range: 35 m
• Levelling accuracy: 0.3 mm/m
• Self-levelling range: 4°
• Laser configuration: 3 x 360° lines
• Power source: 18 V Lithium-Ion battery
• Tripod thread compatibility: 1/4" and 5/8"
• Protection rating: IP65
• Product dimensions: 103 mm width, 205 mm depth, 158 mm height
• Color: Black and Green

How to use

Mount the line level securely using the integrated magnetic mount or attach it to a compatible tripod via the 1/4-inch or 5/8-inch threads. Power on the device using a compatible 18V battery or alternative power source, and allow the self-levelling mechanism to level the laser lines automatically within the 4-degree range. Use the backlit corner keypad to select the desired 360-degree laser lines for your specific layout task. For fine adjustments, use the pivot mechanism to align the vertical line precisely with your reference point. Utilize the remote control app if needed to adjust settings hands-free from a distance.

What to consider before purchase

• Verify compatibility with your existing battery platforms if you plan to utilize alternative power sources
• Assess your required working range to ensure the 35-meter maximum distance meets your project demands
• Determine if 3 x 360-degree laser lines are necessary for your specific alignment and layout applications
• Check tripod availability and thread size requirements for your intended mounting methods

Usage recommendations: Always secure the tool on a stable surface or compatible tripod to maintain measurement accuracy. Protect the glass windows from scratches and clean the device after use in dusty or wet jobsite environments to ensure longevity.