Rennsteig Adjustable Center Punch - The best way to determine the Center of a Hole from 0.23-0.31-Inch The best way to determine the center of a hole A better solution compared to a transfer punch For exactly, offset-free centering on workpieces Perfect alignment of the slitted centering sleeve in masterpiece or drilling jig with knurled screw 100% Made in Germany by Rennsteig