Designer Series Knobs are created from 3/8" thick Granite set in to a metal frame. Most granite colors are available, all others are created from leftover material from your project. Available metal finishes:Black Nickel, Antique Copper, Antique Pewter, Antique Brass, Burnished Brass, Polished Brass, Satin Nickel, Chrome. Priced from $9.80 to $14.00 each depending on stone selection.   Designer Series Handles are created from 1 1/4" thick grantie set into a metal handle. Most granite colors are available, all others are created from leftover material from your project. Available metal finishes: Black Nicle, Antique Copper, Antique Brass, Antique Pewter, Burnished Brass, Polished Brass, Satin Nickle, Chrome. Priced from $17.95 to 23.95 each depending on stone selection. Ferrule Design is created from 3/8" thick granite set over a metal post. Most granite colors are available, all others are created from leftover material from your project. Available metal finishes: Black Nickel, Antique Copper, Antique Pewter, Antique Brass, Burnished Brass, Satin Nickel, Polished Brass, Chrome. Big & Small Mushroom Designs are created from 1 1/4" granite. Most granite colors are available, all others are created from leftover material from your project. Priced from $11.95 each for Ferrule Design to $19.95 each for Mushroom Design