Extension fork 100x40x2000 The dimensions given are the internal dimensions of the extension. This means that they will fit forks with a cross section of 100x40. FORK EXTENSION PARAMETERS: Dimensions - 100x40x2000 (100x40 L=2000) - 100mm - width - 40mm - thickness - 2000mm - working length For forks with a cross-section of 100x40. The fork must be a minimum of 60% of the total length of the extension. Load capacity - 2500kg/500mm/pair For extensions we issue a declaration of conformity (certificate for UDT) The package includes 2 extensions.