Made of high-quality copper for maximum current. Closed end pads seal against moisture Keep cables dry. Wire and stud dimensions are printed on the pads. Can be crimped or soldered. Material: tinned copper. Size: SC25-8: Φ8 SC25-6: Φ6 SC16-8: Φ8 SC16-6: Φ6 SC10-8: Φ8 SC10-6: Φ6 SC6-8: Φ8 SC6-6: Φ6