Coal Canyon is a charcoal grey quartzite ledger panel that offers a distinguished contemporary look. Accent a kitchen backsplash, fireplace, outdoor barbecue or planter wall with these impressive ledger panels. Suitable for both interior and exterior applications in commercial and residential projects. Matching corners are available to finish off projects perfectly. Sizes: Corners 6″ x 12″ x 6″, panels are 6″ x 24″ with a thicknesses of 0.75″ to 1.25″.