BAHCO S4RM-21-27 ring ratchet spanner, chrome-plated, length 275 mm, 21-27 mm

Name: BAHCO S4RM-21-27 ring ratchet spanner, chrome-plated, length 275 mm, 21-27 mm
Brand: BAHCO
SKU: 02230058
Price: 73.6 EUR
Availability: PreOrder

Supplier number: BAHCO S4RM-21-27 | EAN 7314150179978

Recommended Retail Price €139.17

73.60 tax incl.

€60.83 excl. VAT (incl. all environmental contributions)

On order: delivered from 06/10/2026

Delivery by DHL
Lifetime warranty on Bahco? Or limited in time? Read more about it here.

✆ Talk to a specialist

Compact versatility for heavy fastening

Practical benefits

Four sizes in one: You carry 21, 22, 24, and 27 mm sizes in the single Bahco S4RM-21-27 tool.
Instant ratcheting direction change: The integrated reversing switch lets you alternate quickly between tightening and loosening without removing the wrench.
Reduced wear on fasteners: The 12-point profile grips fasteners securely on the flats so you prevent rounding under high torque.

In a nutshell

The right choise for

With the Bahco S4RM-21-27 ratcheting ring wrench, you get four essential large metric sizes in a single 275 mm tool. Combining 21, 22, 24, and 27 mm, it replaces four separate spanners to significantly reduce toolbox bulk and weight. The integrated ratcheting mechanism with a 5° operating angle and practical reversing lever allows you to tighten or loosen fasteners swiftly without repeatedly reseating the tool in tight spaces. Furthermore, the 12-point Dynamic-Drive profile distributes torque evenly to protect bolts and nuts from rounding, making it an ideal choice for heavy machinery, automotive, and industrial maintenance.

Product information FAQ

€73.60

tax incl.

Key features according to our expert

Drive profile size 1: 21 mm; 22 mm
Drive profile size 2: 24 mm; 27 mm
Type of drive profile 2: Twelve-point
Length: 275 mm
Type of drive profile 1: Twelve-point

Product description:

Ratcheting box wrench in metric sizes
Material: High performance alloy steel
4 sizes per wrench: 1 single wrench is useful for 4 screw sizes
Switch for quick change of right and left direction, 5 º action angle
12 points Dynamic-Drive Profile provides longer life for screws and nuts
Chrome plated Matt finishing provides high quality anti-rust protection

All Features

Drive profile size 1: 21 mm; 22 mm
Drive profile size 2: 24 mm; 27 mm
Type of drive profile 2: Twelve-point
Length: 275 mm
Type of drive profile 1: Twelve-point
Width ring 2 mm: 52,5 mm
Weight g: 640 g
Thickness ring 1 mm: 26 mm
Length mm (l): 275 mm
Thickness ring 2 mm: 30 mm
Width ring 1 mm: 40 mm
Size mm: 20x21 24x27 mm

Brand BAHCO
02230058
EAN 7314150179978
Supplier number BAHCO S4RM-21-27
Warranty Lifetime warranty on Bahco? Or limited in time? Read more about it here.

Frequently asked questions about this product

Answered by specialists

Which sizes are combined in this ratchet wrench?: The Bahco S4RM-21-27 combines four sizes: 21 mm and 22 mm on one end, and 24 mm and 27 mm on the other end.
What is the overall length of this wrench?: This ratcheting ring wrench has an overall length of 275 mm.
How do you change the turning direction?: You easily switch between clockwise and anticlockwise rotation using the integrated reversing lever on the head.
What profile do the ring ends feature?: The wrench features a 12-point Dynamic-Drive profile, which reduces wear and damage to fasteners.
What is the operating angle of the ratchet?: The ratchet mechanism features a 5° operating angle, making it ideal for confined spaces.