Here we have our new multi sized doming dapping block. Manufactured from extremely hard high performance thermo plastic so its very hard wearing but soft on your precious metals. 3 depressions, each approx 2cm deep at the centre point. Circumference of the domes : Largest 150mm, Middle Size : 100mm, Smallest : 80mm. Coupling with screw holes so it can be secured to the bench, keeping that control you need., Manufacturer: Proops