Regulation 5 Shape
(1)
Except as provided by paragraph (2) of this Regulation, a weight shall only be of a type or form mentioned in the following Table in relation to a weight of its purported mass:—
| Type or form | Weights which may be of that type or form |
|---|---|
| 1. Metric weights (other than carat (metric) weights) | |
| (i) The irregular octahedronal form described in Schedule 2 to these Regulations. | Weights of 25 kg. |
| (ii) The rectangular form described in that Schedule. | Weights of 5 kg, 10 kg or 20 kg. |
| (iii) The cylindrical form described in that Schedule. | Weights of not more than 10 kg nor less than 20 g and of 10, 5, 2 and 1 g. |
| (iv) The hexagonal form described in that Schedule. | Weights of not more than 2 kg nor less than 100 g. |
| (v) The disc form described in that Schedule. | Weights of not more than 50 g nor less than 1 g. |
| (vi) Flat type. | Weights of not more than 1 g nor less than 10 mg. |
| (vii) Wire type. | Weights of 50 mg or less. |
| 2. Carat (metric) weights | |
| (i) Cylindrical with a knob. | Weights of 5 C.M. or more. |
| (ii) Flat type. | Weights of not more than 20 C.M. nor less than 0.05 C.M. |
| (iii) Wire type. | Weights of 0.25 C.M. or less. |
| 3. Imperial weights (other than weights in paragraphs 4 and 5 of this Table) | |
| (i) Bell, bar, flat-circular or ring type. | Any weight other than a weight of 50, 20, 10 or 5 lb. |
| (ii) Octagonal type. | Weights of 50, 20, 10 or 5 lb. |
| 4. Weights expressed as multiples or fractions of 1/7000 lb | |
| Flat or wire type. | All such weights. |
| 5. Ounce troy weights | |
| (i) Cylindrical with a carrying handle or knob. | Weights of 1 oz tr or more. |
| (ii) Flat or wire type. | Weights of 0.5 oz tr or less. |
(2)
Nothing in paragraph (1) of this Regulation or Schedule 2 to these Regulations shall preclude any weight from being regarded as fit for use for trade by reason of the fact that one or more edges are chamfered or rounded.