NSI PT300 These copper pin terminals are designed to facilitate termination of aluminum conductors. The POLARIS compression design creates a permanent, vibration-resistant connection that you can rely on with low contact resistance.General Information Manufacturer NSI Part Number PT300 Product Type Aluminum Pin Terminal California Residents Proposition 65 Warning Specifications Material Aluminum Weight 0. 19 kg 0. 41 lb Miscellaneous What's Included 10 Aluminum Pin Terminal Features Facilitates termination of aluminum conductors Stranded copper, tin plated pin providing high conductivity and corrosion resistance Supplied with PVC insulating cover Connector bores coated with