Dowel pins set: Steel dowel pins is 3 mm/ 0.118inch in diameter and 12 mm/ 0.472inch in height; Steel dowel pins color is in silver tone, 50 pieces. Shelf support pin material: These cylindrical pin made of 304 stainless 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 Dowel pins diameter: 3mm Dowel pins length: 12mm Color: silver tone Material: 304 stainless steel Package includes: 50Pcs 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 3 mm)