Stainless steel
- Set consists of 4 x negative and 4 x positive contact .
- Keystone brand contacts - nickel-plated and very durable .
- Negative contacts: Spring contacts .
- Positive contacts: Flat contacts.
- Original Fat Daddy .
- Outer diameter 21.43mm (27/32 inch) .
- Length without connection 72.7mm .
- Length with connection 79.4mm.