SIZE: Dowel pins diameter: 3.5mm; length: 5mm/6mm/8mm/10mm/12mm/14mm/15mm/16mm/18mm/20mm/25mm. MATERIAL: These Dowel Pins are made of 304 stainless steel. Smooth surface without burrs. They are rust-resistant, strong and durable for long using life. STABILITY: Also known as parallel pins,dowel pins are used to retain parts in a fixed position,maintain alignment between different parts,or to join different components together. EASY TO INSTALL: Chamfered ends add a hint of detail, allow of easy insertion of dowel pins into any hole, while also can make installation more easily. Please make sure the size you need before you buy it. This cylindrical locating pin has special on the two ends of the pin, so that the pin can be easily inserted into the mounting hole. Please confirm the size of the locating pin you need before purchase. Notice: In order to make dowel pins a tight fit, your hole should be equal to or slightly smaller than the diameter shown Specifications: Dowel pins diameter: 3.5mm Dowel pins length: 5mm/6mm/8mm/10mm/12mm/14mm/15mm/16mm/18mm/20mm/25mm Color: silver tone Material: 304 stainless steel Package Includes: 50 Pcs x 304 stainless steel Pins 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. Notes: - For a tight fit, your hole should be equal to or slightly smaller than the diameter shown. - Because it is not produced in the same batch, the actual size and the table may be slightly different, please refer to the actual product.