Diameter: 4mm/ 0.16" and Tolerance:+0"/-0.0008";
Height: 25mm/0.98" and Tolerance:+0.02"/-0.02";
Finish Type: Centerless grinding.
Material: These Dowel Pin Steel are made of 304 stainless steel.
6x3MM Small Magnets Round Strong Fridge Magnets
302 Stainless Steel Corrosion-Resistant Compression Spring