Sea Stones Serena Stone Cabinet Knob, Neutrals Serena neutrals are stones limited to a palette of primarily gray shades and simpler traits Forever together -The solid stainless steel knob is permanently bonded into hole drilled in each stones, not glued to the surface Look and touch - real ocean-smoothed stones are in harmony with the stem's shape; The result fits fingers perfectly Endless palette - Mother nature make no duplicates; Each Serena is an original Solid stainless - nothing beats stainless steel for lasting good looks and durability