Adaptor set 1/4" - 3/4", 5 pieces Set of reducers and convertors 1/4" - 3/4" Reducers 1930, 3020 Convertors 2030, 3019, 1932 In transparent plastic box, dimensions: L 134 x W 51 x H 51 mm, foam insert light-blue Please take note of the maximum capacity of the external squares of the reducers acc. to DIN 3123, ISO 3316