Half Spheres & Half Cylinders Dapping Block - TJ01-09830Here's the perfect block for ring shaping, stone setting, making bezels, and more. With 14 multiple sized half sphere shaped templates (ranging from 1 8" to 1") and 8 cylinder grooves (ranging from 1 4" to 1"); block measures 2 1 2" x 4" x 1". Made of hardened steel alloy. Overall size is 4 x 2 1 2 x 1 inch and features half sphere and half cylinder shapes Weighs 2 pounds Made of Hard steel, Tempered 50 degree 13 Half spheres in varios sizes from 1 8