An RH Preyda Hard Black Arkansas bench stone (30035). Extra-fine density natural novaculite, harder and finer than Hard Arkansas; RH Preyda describes the color as dark grey rather than pure black. Cut to size and finished for flatness. Official Hard Black sizes: 4", 6", 8", and 10" x 2" x 1/2". Quarried in the Ouachita Mountains near Hot Springs, Arkansas; 99.9% silica. Made in the U.S.A. Specs from RH Preyda's Hard Black Arkansas bench-stone page and Explore grade chart. Store title notes a base; that base is not listed on the official bench-stone page. Store URL reads 8x2x1; official thickness for this grade is 1/2".

The 8" Hard Black that sits on the bench. Extra-fine polish after a coarser Arkansas.

Features

• Hard Black Arkansas, extra-fine density
• Official listed sizes include 8" x 2" x 1/2"
• 100% natural novaculite, finished for flatness
• RH Preyda states these stones do not require lapping or flattening
• Color and pattern vary; this grade is dark grey more than jet black
• Made in USA