This the industry standard mini slotted DIN rail used for smaller or miniature terminal blocks. The mini DIN rail is 1 meter in length with the standard dimensions of 15mmx5. 5mm making it very easy to handle and ship. The DIN rail is made of steel and is then plated with a RoHS compliant plating. When using the ASI DIN rail cutter with this item you can cut it to any specific dimension that is required for your application.