# The Fireworks (Safety) Regulations 1997, Schedule 2: SIZE AND WEIGHT REQUIREMENTS FOR PARTICULAR FIREWORKS AND ASSEMBLIES


Firework/assembly
Size and weight requirements
1 Air bomb in category 2
inside body diameter not to exceed 20mm
2 Air bomb in category 3
inside body diameter not to exceed 30mm
3 Battery in category 2
gross mass (excluding any frame) not to exceed 1kg
4 Battery in category 3
gross mass (excluding any frame) not to exceed 10kg
5 Category 2 rocket
gross mass not to exceed 150g
6 Category 3 rocket
gross mass not to exceed 500g. Internal diameter of rocket motor not to exceed 25mm
7 Combination in category 2
gross mass (excluding any frame) not to exceed 1kg
8 Combination in category 3
gross mass (excluding any frame) not to exceed 10kg
9 Mine in category 2
gross mass not to exceed 125g
10 Mine in category 3
gross mass not to exceed 1.2kg
11 Roman candle in category 2
inside body diameter not to exceed 20mm
12 Roman candle in category 3
inside body diameter not to exceed 30mm
13 Wheel in category 2
gross mass (excluding any frame) not to exceed 100g
14 Wheel in category 3
gross mass (excluding any frame) not to exceed 1.5kg

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Source: https://www.legislation.gov.uk/uksi/1997/2294/schedule/2 (the official version)
Page: https://openlegislation.uk/fireworks-safety-regulations-1997/schedule-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.