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British Standard Hoffman Frame Dimensions

These are the external dimensions in millimetres of the British Standard Hoffman Frames. They fit WBC, National and a few non-standard hives. No part of any hive box, apart from lug seating parts should be more or less than a bee space from any of its parts.

British Standard Deep Frame Dimensions

The above are the external dimensions of the Hoffman type British Standard Brood Frame.

British Standard Shallow Frame Dimensions

The Hoffman Shallow Frame dimensions are shown in the drawing above and the deep (14" x 12") frame is in the drawing below.

Exra Deep British Standard (14 x 12) Frame Dimensions