RS PRO Wrench, 150 mm Overall Length, 20mm Max Jaw Capacity

  • RS Stock No. 192-3722
  • Manufacturer RS PRO
Technical data sheets
Legislation and Compliance
RoHS Status: Not Applicable
COO (Country of Origin): TR
Product Details

RS PRO Adjustable Spanners, Phosphate Finish, PVC Grip

Introducing the range of adjustable spanners from RS PRO. This precision hardened adjustable spanner is made from high-quality alloy tool steel and offers excellent performance quality and long service life with a thumb-adjustable screw for quick and precise adjustment of the jaw width. In addition to this, the spanner has been phosphate-plated for optimum corrosion resistance allowing it to be used in the most extreme environments, without compromising the performance and quality. This versatile wrench is an essential piece of equipment for any professional user or DIY enthusiast’s toolbox.

Features and Benefits:

• This wrench features an adjustable jaw set at 15° and offers a concealed jaw shank allowing for greater accessibility with ergonomic design for operator comfort
• Made from high alloy tool steel that offers excellent precision and professional performance, regardless of application
• Contoured PVC handle for ultimate user comfort and ergonomics, especially when being used for long periods of time
• Phosphate treated for a long-lasting anti-corrosion finish
• These spanners incorporate 15° angled head with thin parallel jaws
• The jaws are scaled in mm (metric)
• Convenient eyelet in handle allowing the tool to be hung from hooks or lanyards


Adjustable spanners are highly versatile and able to be used on various types of fasteners of different sizes. Because of this, they are an essential hand tool in any profession that requires the tightening and loosening of bolts and pipe fittings. These types of wrenches are most commonly used for:

• Plumbing
• Maintenance
• Machine repairs and adjustment

What are the maximum jaw sizes that are available in this RS PRO range?

  • 192-3722 has a maximum jaw size of 20 mm and a maximum tool length of 150 mm

  • 192-3723 has a maximum jaw size of 30 mm and a maximum tool length of 250 mm

  • 200-6021 has a maximum jaw size of 25 mm and a maximum tool length of 200 mm.

What are the advantages of an adjustable spanner over a spanner set?

The main benefit of using an adjustable spanner to a spanner set is convenience. A precision spanner set will normally provide you with a more accurate fit, as it matches a spanner size directly to a corresponding nut or bolt. However, if the size of the fittings and fasteners are uncertain, an adjustable wrench is adaptable, portable and versatile and offers a higher level of functionality across a wide range of applications with one tool.


RS PRO aims to be your go-to brand when you need quality, reliability and value for money. With all our parts subjected to rigorous testing by our in-house experts, we're confident we can supply you with the tools and parts you need for any purpose.

When it comes to tools, RS PRO is there to support you every step of the way, no matter how ambitious your project or installation.

Standards and Certifications:

• DIN 3117
• TS ISO 6787

Attribute Value
Jaw Capacity 20mm
Wrench Type Adjustable Spanner
Overall Length 150 mm
Handle Type Plastic
1 Within 1 working day(s) (IE stock)
29 Within 2 working day(s) (EU stock)
Unit of sale: Each
(exc. VAT)
(inc. VAT)
Per unit
1 +
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