ISO 3317:1974, Assembly tools for screws and nuts - Square drive extension hexagon insert, for power socket wrenches

{'ASIN': 'B000XYSOF6', 'Dimensions': '8.25 x 0.06 x 10.5 inches', 'Item Weight': '3.84 ounces', 'Language': 'English', 'Print length': '24 pages', 'Publication date': 'August 23, 2007', 'Publisher': 'Multiple. Distributed through American National Standards Institute (ANSI)'}