Bahco 1931M-4 4mm Lilliput Double Open-End Wrench




  • Small double open-end wrench
  • Metric size: 4mm
  • Made from high performing alloy steel
  • Benefits from chrome plated micro-matte finish
  • Open-end angle of 82.5º and 15º

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Free UK Delivery on orders over £75.00 including VAT

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Price Breaks

QuantityPrice Each
10 $14.51
25 $13.75

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Versatile, this Lilliput wrench is ideal for a range of settings including telecommunications to electrical, auto, plumbing and all engineering applications.

Aside from the quality of the materials used and the finish, Bahco have optimised the legibility of the wrench markings, making it ideal for when working in difficult places. In other words, you’ll be reaching for the right tool in the right size when you need it.

With an open angle of 82° and 15°, quality purchase on fixtures and fittings is optimised, even in the most confined of spaces.


  • Compact double open-end wrench
  • Metric size: 4mm
  • Open end angle of 82.5º and 15º
  • Equal opening at both ends
  • High quality alloy steel with micro matt chrome plated finish
  • Other sizes available in the same range

Technical Details

ProductLilliput Double Open-End Wrench sizeLilliput Double Open-End Wrench lengthLilliput Double Open-End Wrench weight
1931M-44 mm80 mm2.5 mm12.5 mm10 g
1931M-4.54.5 mm80 mm2.5 mm12.5 mm9 g
1931M-55 mm80 mm2.5 mm12.5 mm9 g
1931M-5.55.5 mm80 mm2.5 mm12.5 mm9 g
1931M-66 mm80 mm2.5 mm12.5 mm9 g
1931M-77 mm90 mm3.5 mm15.0 mm11 g
1931M-88 mm90 mm3.5 mm15.0 mm11 g
1931M-99 mm105 mm4.0 mm19.0 mm19 g
1931M-1010 mm105 mm4.0 mm19.0 mm19 g
1931M-1111 mm120 mm4.0 mm25.0 mm35 g
1931M-1212 mm120 mm4.0 mm25.0 mm36 g
1931M-1313 mm120 mm4.0 mm25.0 mm32 g
1931M-1414 mm130 mm5.0 mm28.0 mm39 g
1931M-1717 mm160 mm5.5 mm36.0 mm74 g

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