Based on our own experience, this milling accessory from Cutting Tools is a great addition to our industrial and scientific needs .Its 14.5mm diameter and 110.5mm length provide efficient and accurate results in our milling process. The durable materials used ensure longevity and top-notch performance. However, the cost may be a bit steep for those on a tight budget. Overall, we highly recommend this accessory for any milling operation looking for quality and EFFICIENCY..