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Buying Guides

Tradesperson in work gloves fitting a Grettz green beam multi-line laser to a wall bracket, with bright green 360-degree laser lines projected across a grey blockwork wall

What Is a Green Beam Multi-Line (4D) Laser Used For?
What a green beam multi-line (4D) laser actually does, the jobs it's built for, and how to decide between a 4D laser, a cross-line laser and a rotary laser.

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Tradesperson kneeling to set up a Grettz green laser level on a tripod in front of a timber fence and blockwork under a blue sky

Best Laser Level for Bricklaying and Blockwork
Stringline still rules the bed joint, but a laser transforms how you set out and check courses. Here's how bricklayers use lasers — and which to pick.

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Grettz G4D green beam multi-line laser mounted on a wall bracket projecting bright green horizontal and vertical laser lines across an interior first-fix room with timber

Red Beam vs Green Beam Lasers: Which Should You Choose?
Green beams look brighter, red beams run longer and cost less. Here's how to choose the right laser colour for your trade and working conditions.

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