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Blue aluminium I-beam level 48 in with magnetic strip and three acrylic barrel vials

Westward

Westward 4MRV9 Magnetic I-Beam Level 48 in

SKU CH-HQSP-2CTX9 MPN 4MRV9

A 48-inch magnetic I-beam level with three acrylic vials for level and plumb readings, accurate to 0.001 in

  • Total length48 in (122 cm)
  • Product typeLevel Gauges
  • 48-inch length covers long spans in one placement
  • Magnetic strip holds level to steel studs and beams
  • Three acrylic vials give level, plumb and 45° reference
  • Aluminium I-beam frame resists bending on job sites
  • 001 in accuracy meets standard precision requirements

Westward 48-inch Magnetic I-Beam Level

This 48-inch aluminum I-beam level uses a magnetic strip to hold firmly to ferrous surfaces while you check horizontal and vertical alignment. Three acrylic barrel vials provide one level and two plumb references for general layout work. The frame includes protective end caps for durability on site.

Practical limits of the 0.001 accuracy standard

The stated accuracy of 0.001 inch per inch is suitable for typical carpentry, framing and metal-stud installation. It is not a substitute for precision machining instruments or calibrated laser systems where tighter tolerances are specified. Vial readability depends on ambient light because there is no illumination feature.

What to verify before ordering

Confirm that a 48-inch overall length fits the spans you regularly measure and that the single magnetic strip provides enough holding force for your workpiece thickness. The tool has no V-grooves for pipe or conduit and no 30- or 45-degree vials for angled layout. Buyers who need those additional references should consider a different model.

How it compares

Measured against everything we stock in Utility & Specialty Hand Tools, at today’s prices. Recalculated every night.

Price $34.99
Pricier than about 63% of the 2,474 comparable items (median $23.99).

Specifications

Product
Brand nameWestward
Model name4MRV9
Product typeLevel Gauges
Size & build
Total length48 in (122 cm)

Questions about this item

Should I choose the 48 in model or a shorter length?

The 48 in length suits long spans such as stud walls or door frames; shorter levels are better for tight cabinets or appliance niches.

What does the 0.001 accuracy figure mean on a real job?

It indicates the vial reads within 0.001 in per inch, so the bubble stays centered within tight tolerance across the full span.

How does the magnetic strip affect use on steel studs?

The single magnetic strip holds the level hands-free to ferrous studs or beams, letting you mark or drill without the tool slipping.

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