Silverline Lightweight String Line Level Spirit Bubble 250443

Silverline Lightweight String Line Level 75mm Bubble

MPN: 250443

Barcode: 5024763035234

Number: Sold in Singles

Size: 3 inch 75mm

Overview:

75mm Lightweight String Line Level Bubble 250443 is a simple, reliable way to check level or fall along a taut string line over longer distances. Designed with a lightweight moulded ABS body, it helps reduce line sag especially important for bricklayers, groundworkers and anyone setting out lines for walls, paving or formwork. Moulded line hooks hold the level securely on the string, while the opposing hook design helps minimise drop-off as you work. A UV-resistant 180° vial provides clear readings, and the V-groove base adds versatility for checking level on pipes and round sections.

Key Features

• Very Lightweight line level helps reduce string line sag over long runs, the lighter the better for long runs

• Moulded line hooks for quick, secure attachment to a string line

• Opposing hook design helps prevent drop-off during use

• UV-resistant vial for clearer, longer-lasting visibility

• 180° vial orientation for level and fall checking

• V-groove base for use on pipes and rounded surfaces

• Pocket clip for easy carry and quick access on site

• Ideal for bricklaying, groundwork, setting out and levelling tasks

Specifications

• Brand: Silverline

• Product Type: String Line Level

• Sold As: Single (1 level)

• Size: 75mm (3")

• Body Material: Moulded ABS plastic

• Vial Type: UV-resistant

• Number of Vials: 1

• Vial Orientation: 180°

• Base: V-groove for pipes

• Additional Feature: Pocket clip

• Finish: Powder coated

• Colour: Yellow

• MPN: 250443

Applications

• Bricklaying and blockwork line levelling

• Groundwork and setting out lines for paving and edging

• Checking level or fall over longer distances using a taut string

• Levelling pipes and round sections using the V-groove base

• General site layout and alignment tasks

How to Use

• Secure your string line tightly between two points

• Clip the level onto the string using the moulded hooks

• Position it where you want to check level or fall

• Adjust the line height/tension until the bubble centres as required

• Move the level along the line to confirm consistency over the run

• Remove and store safely after use to protect the vial

Very Lightweight String Line Level 75mm Bubble 250443 – Key FAQs

• What is a string line level used for?
  A string line level clips onto a taut line so you can check level or fall across long distances, which is ideal for bricklaying, setting out and groundwork.

• Why does this Silverline line level need to be lightweight?
  A lighter level helps reduce sag in the string line, improving accuracy over longer runs and making it easier to keep consistent heights when setting out.

• How does the opposing hook design help?
  The opposing hooks help the level sit more securely on the line and reduce the chance of it slipping or dropping off during repositioning and use.

• Is the vial easy to read outdoors?
  Yes—the vial is UV-resistant, helping it stay clear and readable for longer when used on site or in bright outdoor conditions.

• Can I use it on pipes as well as string lines?
  Yes the V-groove base allows it to sit more securely on round surfaces, making it useful for quick checks on pipes and similar sections.

• Is it sold as a set or individually?
  This line level is sold as a single unit, so you can add one to your kit or buy spares as needed for site work.