What size is this ratcheting combination spanner?

This spanner has a 21 mm size on both the open and ring ends.

What is the total length of the Expert E117370?

The total length of this tool is 285 mm.

What type of drive profile does the ring end have?

The ring end features a 12-point OGV profile for optimal contact with nuts and bolts.

What is the ratcheting increment angle?

The ratcheting mechanism operates with a 5° increment angle, ideal for confined spaces.

EXPERT E117370 ratchet ring spanner 21 mm

Name: EXPERT E117370 ratchet ring spanner 21 mm
Brand: EXPERT
SKU: 02093416
Price: 22.8 EUR
Availability: InStock

Supplier number: EXPERT E117370 | EAN 3258951173701

Recommended Retail Price €33.57

22.80 tax incl.

€18.84 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 3 products in stock.

Ordered before 20:00 - delivered tomorrow 17/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Reliable fastening with the Expert spanner

Practical benefits

Fast access in tight spots: With a 5° ratcheting arc, you quickly turn fasteners in confined spaces without removing the tool.
Secure grip on fasteners: The 12-point ring profile grips 21 mm nuts firmly to deliver strong torque without rounding.
Long lasting corrosion protection: The high chrome finish protects the durable steel body against wear and workshop rust over time.

In a nutshell

The right choise for

With the Expert E117370 ratcheting combination spanner, you quickly and accurately tighten or loosen 21 mm fasteners. Featuring a compact 5° ratcheting arc, it eliminates the need to remove and reposition the tool after every turn, making it ideal for confined engine bays and industrial machinery. The generous 285 mm length gives you extended leverage to free stubborn or tight bolts on chassis and suspension setups with ease. Its 12-point ogv profile grips nuts securely across a wide contact area, preventing rounding while maximizing torque transfer. Forged from chrome vanadium steel with a high chrome finish, this spanner reliably resists corrosion during heavy daily workshop use.

Product information FAQ

€22.80

In stock - tax incl.

Key features according to our expert

Width across flats: 21 mm
Overall length: 285 mm
Surface treatment: Chrome plated
Type of drive profile: Twelve-point

Product description:

ISO 691 - ISO 1711-1
Reset angle of 5°.
12-sided ratchet ring head bent 15°.
Changing direction via recessed and protected reversing lever.
Insertion ring at 15° to handle axis (reset angle of 30°).
Profile with eye for maximum contact surface with nut, for longer service life.
Vanadium chrome steel.
Finish: chrome-plated, shiny.

All Features

Width across flats: 21 mm
Overall length: 285 mm
Surface treatment: Chrome plated
Type of drive profile: Twelve-point
Contents: 10,3 mm
Max. cutting capacity at 45° [rectangular profile]: 45,3 mm
Length: 285.0 mm
Height c: 10.3 mm
A: 21 mm
Head width b1: 285,0 mm
Weight: 41,5 mm

Brand EXPERT
02093416
EAN 3258951173701
Supplier number EXPERT E117370

Frequently asked questions about this product

Answered by specialists

What size is this ratcheting combination spanner?: This spanner has a 21 mm size on both the open and ring ends.
What is the total length of the Expert E117370?: The total length of this tool is 285 mm.
What type of drive profile does the ring end have?: The ring end features a 12-point OGV profile for optimal contact with nuts and bolts.
What is the ratcheting increment angle?: The ratcheting mechanism operates with a 5° increment angle, ideal for confined spaces.
What is the finish and material of this tool?: It is forged from chrome vanadium steel with a high chrome finish to resist corrosion.