Steel Square Doming Block

2"x2"x2" Steel Doming Block - 18 well-machined hemispherical cups: holes measure 3.2mm, 4.8mm, 6.4mm, 7.9mm, 9.5mm, 11.1mmm 12.7mm, 14.3mm, 15.9mm, 17.5mm, 19.1mm, 20.6mm, 22.2mm, 25.4mm, 28.6mm, 31.8mm, and 34.9mm.

Approximate Rockwell hardness: 45HRC.

Please note: price includes USPS Priority Mail shipping.