This Isaac Jacobs 4-Piece (53MM) Diamond Shape Crystal Knobs Set is the perfect way to bring new life to old furniture or add a touch of luxury to a recently acquired cabinet piece. Each sturdy knob handle has the feel of strong crystal glass with a beautifully detailed design that sets it apart from cheap-looking, plastic cabinet knobs and plain, metal drawer pulls. Each crystal pull comes with a flat washer and hex nut for installation. Simply tighten the 1-inch screw against the hex nut and it should screw nicely into any cabinet with a maximum thickness of 0.75 inches. [SCREWDRIVER NOT INCLUDED] These stunning crystal pulls, and cabinet knobs have a shimmering shine that resembles a fine diamond and will help transform the décor of any room. Whether you are looking to replace cabinet doors and drawers, or handles and knobs on an armoire, or wardrobe door, these timeless crystal knobs add a classic touch to your favorite pieces of furniture.