The Cornerstone by Hafele is indeed the building block of any successful cabinet or furniture decorative hardware offering. A curated selection of knobs and pulls so fundamental that Hafele has created a special program just to showcase these valued best-sellers. The Cornerstone combines value with quality and high-demand designs in established trending and traditional finishes. Hafele's commitment to Cornerstone includes higher stocked quantities to ensure availability. Four of the most popular styles; Mid-Century Modern, Modern, Transitional, and Contemporary comprise the selections and collections featured in the Cornerstone Series. Iconic elements of each style are combined with our best-selling examples of that particular style of deco.