On average these are 350 to 450 mm long 3.5 to 4mm thick and 45 to 50mm wide. They have forged scale on them still so we'll then clean up for use as San mai. This is British wrought iron rolled out in the UK. Sizes may vary from peace to peace there are no exact measurements. It's all very straight generally but as it's got forge scale on it it may have some discrepancies.