IVANKO dumbbell set, perfect for training with plates and nuts. Two dumbbell shafts, each 2.5 kg Four plates, each 0.5 kg The manufacturer of the shaft part is unknown as there are no manufacturer markings. There are scratches on the screw parts from when I purchased them. Stored at home. Used less than 10 times. - Brand: IVANKO - Type: Dumbbell - Accessories: Plates, nuts Due to the weight, it will be shipped via Takkyubin 100 size. Will be disassembled for shipping. Thank you.