BRASS C.P. It consists of a half meter aluminum strip with stone agate knife edge at the centre. The aluminum strip is first black painted and after that it is screen printed as 25-0-25cm with zero at the centre. Two plastic hooks, which move along the aluminum meter scale, are also provided. These plastic hooks are used for carrying brass slotted weights. Supplied without weights. Following brass weights are suitable for the above Lever Apparatus of Cat. No. 2425. Capacity