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JOHNSON LEVEL 400EM Combination Square - Combination Squares
JOHNSON LEVELCombination Squares

JOHNSON LEVEL 400EM Combination Square

The JOHNSON LEVEL Combination Square (SKU 3G-OTH-284481) is a combination square with inch/metric markings, featuring a printed scale with 1/32 in graduations. It includes a cast zinc body and a scriber, with a…

SKU 3G-OTH-284481

Also listed as: 400 EM · 400-EM

Brand
JOHNSON LEVEL
Item
400EM Combination Square
Part Number
400EM
Category
Combination Squares
Available to Order
Also known as:400EMJOHNSON LEVEL
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Technical Specifications

JOHNSON LEVEL
Manufacturer Part Number
400EM
Type
Stainless Steel, 5 3/4 in, 12 in x 0.85 in, Cast Zinc

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JOHNSON LEVEL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JOHNSON LEVEL Combination Square (SKU 3G-OTH-284481) is a combination square with inch/metric markings, featuring a printed scale with 1/32 in graduations. It includes a cast zinc body and a scriber, with a stainless steel blade measuring 5 3/4 in by 12 in x 0.85 in (MPN 400EM).

Frequently Asked Questions

What is the JOHNSON LEVEL Combination Square used for?

The JOHNSON LEVEL Combination Square is used for layout, marking, and measuring angles and depths in metalworking and woodworking. Its stainless steel blade and cast zinc body provide durability on job sites. The scriber allows precise marking, while inch/metric graduations support global standards.

What are the specifications of the JOHNSON LEVEL Combination Square 400EM?

The JOHNSON LEVEL Combination Square 400EM has a stainless steel blade measuring 5 3/4 in by 12 in x 0.85 in with printed inch/metric graduations of 1/32 in. The body is cast zinc, and it includes a scriber. The manufacturer part number is 400EM, and the brand is JOHNSON LEVEL.

Where to buy the JOHNSON LEVEL Combination Square worldwide?

You can source the JOHNSON LEVEL Combination Square 400EM through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this combination square to procurement teams internationally.

How to maintain the JOHNSON LEVEL Combination Square?

To maintain the JOHNSON LEVEL Combination Square, wipe the stainless steel blade and cast zinc body with a dry cloth after use to prevent corrosion. Store it in a dry case to protect the printed scale. Periodically check the scriber for sharpness and tighten any loose components. Avoid dropping to preserve accuracy.

Used in

Common applications for JOHNSON LEVEL
Concrete formwork and foundation layout — Johnson Level 32X automatic optical level (40-6962) for elevation control and alignment.
Steel erection and plumbing — Johnson Level 9-inch magnetic torpedo level (1411-0900) with rare earth magnets and V-grooves for pipe and conduit.
Site grading and excavation — Johnson Level 16 ft fiberglass telescoping leveling rod (40-6316) with 1 ft/1 in graduations for grade checking.
Carpentry and stair layout — Johnson Level CS5 rafter square with octagon and inch graduations for marking rafters and stairs.
Electrical conduit and mechanical installation — Johnson Level magnetic torpedo level for level, plumb, 45°, and 30° measurements.
General construction layout — Johnson Level JRT300-GNHV-K rotary laser kit with green beam and 4,000 ft range for horizontal and vertical alignment.
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JOHNSON LEVEL Products

3G Electric supplies JOHNSON LEVEL combination squares. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Combination square with a 12-inch stainless steel blade and cast zinc body. Features printed graduations in 1/32-inch increments and includes a scriber. Used for measuring, marking, and checking 90-degree and 45-degree angles in layout tasks
JOHNSON LEVEL
Combination square with a 12-inch stainless steel blade and cast zinc body. Features printed graduations in 1/32-inch increments and includes a scriber. Used for measuring, marking, and checking 90-degree and 45-degree angles in layout tasks

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