1.1 This specification covers clamps and clamp holders for use in securing laboratory apparatus to support stands. 1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are This specification covers clamps and clamp holders for use in securing laboratory apparatus to support stands. The clamp and clamp holders are classified into types, sizes and classes and are presented in details. Clamps and clamp holders shall be manu