You receive 1 piece of Universal Transfer Center Aligner. It meet your precise punching needs. This transfer center aligner is made of high-quality carbon steel, which is reliable, , sturdy, easy to operate, and not easy to bite. You can use it with confidence. Product Size: The total size of this transfer center alignment device is about 8x2.32x0.47cm/3.15x0.91x0.19 inches. The diameter and length of this center punch are 3/16 and 3-1/8 inches respectively. It is suitable for holes from 1/4 to 3/4Inch. Please check these dimensions carefully before purchasing. This universal transfer center aligner has a spring to black part. You only need to use a hammer to punch a small hole of the same size as the center punch along the middle center punch. This transfer center alignment tool be coated with protective oil. Just wipe the outer and the protective oil disappear. Please note that the range of this tool is 3/16-5/8 inches. Colour:As Shown Material:Metal Package Contents: 1 * center punch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.