These Cabinet Knobs are suitable for cabinets, cupboards, drawers, dressers, bi-fold doors, wardrobes, bookcases, and shoe cabinets in kitchens, bathrooms, living rooms, offices, dormitories, etc.SpecificationColor: BlackMaterial: WoodDiameter: 35 mm / 1-3/8 inchHeight: 25 mm / 0.98 inchOpening Diameter: 4 mm / 0.16 inchScrew Length: 25 mm/ 0.98 inch, 35 mm / 1.38 inchPacking List: 8 Pcs x Cabinet Knobs, 8 pcs x M4x25 Screw, 8 pcs x M4x35 ScrewAdvantageReliable Material- the round drawer handle is made of wood material, and the surface is sprayed with premium paint in multiple layers, which is not easy to fade or peel off, and can be used for a long time.Precision Design- fine design, polished with multiple layers of sandpaper of different coarseness and fineness, round and delicate without hurting the hand. Precision deep-hole screws ensure stable installation.Instruction1. Measure to find the appropriate panel distance.2. Drill the screw mounting holes with an appropriate size drill bit set.3. Then pass the screws through the back of the board and tighten them onto the knob.NOTE: Please choose the right size before purchasing.