# The Measuring Equipment (Measures of Length) Regulations 1986, Regulation 4

Extent: E+W+S

Subject to Regulation 5 below, every measure of length shall be made of—
(a) carbon steel, including matt chrome-plated carbon steel, steel protected by a clear film or rust-resisting steel;
(b) brass;
(c) aluminium alloy, including anodised and stained aluminium alloy;
(d) glass-reinforced or opaque plastics;
(e) wood; or
(f) any other material of adequate stability.

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Source: https://www.legislation.gov.uk/uksi/1986/1682/regulation/4 (the official version)
Page: https://openlegislation.uk/measuring-equipment-measures-of-length-regulations-1986/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.