Features: Dowel pins set: Steel dowel pins is 4.4 mm/ 0.17 inch in diameter and 25 mm/ 0.98 inch in height; Steel dowel pins color is in silver tone, 20 pieces. Shelf support pin material: These cylindrical pin made of Carbon Steel, very smooth surface, anti-rust, anti-corrosion, strong and durable for long using life. Align and join components: Pins are non-threaded cylindrical fasteners, fix a component's position, join components, or maintain alignment between them, using for positioning and connect two parts, make your equipment more stable Chamfered ends design: Chamfered ends add a hint of detail, allow of easy insertion of dowel pins into any hole, while also can make installation more easily Specifications:Dowel pins outer diameter: 4.4mm Dowel pins inside diameter: 2.8mm Dowel pins length: 25mmColor: silver toneMaterial: Carbon SteelWeight: 29g Package includes: 20 Pcs x Steel Pins Notes: For a tight fit, your hole should be equal to or slightly smaller than the diameter shown (less than or equal to 4.4 mm)