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JOHNSON LEVEL Combination Square: Inch/Metric, Stainless Steel, 3 1/2 in, 16 in x 0.85 in - Combination Squares
JOHNSON LEVELCombination Squares

JOHNSON LEVEL Combination Square: Inch/Metric, Stainless Steel, 3 1/2 in, 16 in x 0.85 in

The JOHNSON LEVEL Combination Square (SKU 3G-OTH-284478) is a combination square with inch/metric markings, featuring an etched scale with 1 mm graduations. It includes a scriber and is constructed with a cast zinc…

SKU 3G-OTH-284478

Also listed as: 420EMS · 420EM S

Brand
JOHNSON LEVEL
Item
Combination Square: Inch/Metric, Stainless Steel, 3 1/2 in, 16 in x 0.85 in
Category
Combination Squares
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

JOHNSON LEVEL
Manufacturer Part Number
420EM-S
Type
Stainless Steel, 3 1/2 in, 16 in x 0.85 in, Cast Zinc

Technical Documents

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

Product Description

The JOHNSON LEVEL Combination Square (SKU 3G-OTH-284478) is a combination square with inch/metric markings, featuring an etched scale with 1 mm graduations. It includes a scriber and is constructed with a cast zinc body. The stainless steel blade measures 16 in x 0.85 in, and the tool is identified by manufacturer part number 420EM-S.

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, woodworking, and construction. Its etched inch/metric scale and scriber enable precise transfer of measurements. The cast zinc body and stainless steel blade provide durability on job sites and in workshops.

What are the specifications of the JOHNSON LEVEL Combination Square 420EM-S?

The JOHNSON LEVEL Combination Square 420EM-S has a stainless steel blade measuring 16 in x 0.85 in with an etched scale featuring 1 mm graduations. The body is cast zinc. It includes a scriber and supports inch/metric readings. The manufacturer part number is 420EM-S, and the SKU is 3G-OTH-284478.

Where to buy the JOHNSON LEVEL Combination Square worldwide?

You can source the JOHNSON LEVEL Combination Square 420EM-S 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 tool to procurement teams and engineers 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 clean after use to prevent rust or debris buildup. Store it in a dry case to protect the etched scale. Periodically check the scriber for sharpness and tighten any loose components. Avoid dropping the tool to preserve accuracy.

Used in

Common applications for JOHNSON LEVEL
Construction framing – Johnson Level torpedo level (MPN 1411-0900) for checking plumb and level on studs and joists
Metal fabrication – Johnson Level combination square (MPN 400) for layout and squaring of sheet metal
Drywall installation – Johnson Level drywall T-square (MPN JTS481) for cutting and aligning gypsum boards
Machinery alignment – Johnson Level bullseye level (MPN 100) for leveling equipment bases in all directions
Distance measurement – Johnson Level laser distance meter (MPN LDM85) for room dimensions in facility layout
Surveying and laser setup – Johnson Level elevating tripod (MPN 40-6330) for mounting laser levels on uneven terrain

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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Cross-referenced by specification & description
JOHNSON LEVEL Try Square: 4 3/16 in Base Lg, 4 3/16 in x 1 1/2 in, 8 in x 9 1/2 in, Clear, Polished (MPN 1908-0800)
JOHNSON LEVEL
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JOHNSON LEVEL Try Square: 4 3/16 in Base Lg, 4 3/16 in x 1 1/2 in, 8 in x 9 1/2 in, Clear, Polished (MPN 1940-0800)
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JOHNSON LEVEL Try Square: 4 3/16 in Base Lg, 4 3/16 in x 1 1/2 in, 8 in x 9 1/2 in, Clear, Polished (MPN 1940-0800)
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JOHNSON LEVEL Framing Square: 24 in Base Lg, 24 in, 16 in x 24 in, Anodized, Aluminum, Inches, SAE (MPN CS7)
JOHNSON LEVEL
JOHNSON LEVEL Framing Square: 24 in Base Lg, 24 in, 16 in x 24 in, Anodized, Aluminum, Inches, SAE (MPN CS7)
JOHNSON LEVEL Stair Gauge Set: Combo Squares, Brass, Stair Gauge, Brass (MPN 405)
JOHNSON LEVEL
JOHNSON LEVEL Stair Gauge Set: Combo Squares, Brass, Stair Gauge, Brass (MPN 405)

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