![CIR Series Connectors](https://multimedia.3m.com/mws/media/42743J/J.jpg)
3M™ Connector CIR-21A, 2, 1 AWG stranded, O.D. 0.91 in (23,1 mm), 10 per case
3M Stock
7100135215
Alternative ID
CIR-21A
![CIR Series Connectors](https://multimedia.3m.com/mws/media/42743J/J.jpg)
3M™ Connector CIR-21, 2, 1 AWG stranded, O.D. 0.64 in (16,2 mm), 10 per case
3M Stock
7000132404
Alternative ID
CIR-21
![CIR Series Connectors](https://multimedia.3m.com/mws/media/42743J/J.jpg)
3M™ Connector CIR-22, 4 AWG (220 mil only) stranded, 2 AWG solid, O.D. 0.64 in (16,2 mm), 10 per case
3M Stock
7100164254
Alternative ID
CIR-22
![CIR Series Connectors](https://multimedia.3m.com/mws/media/42743J/J.jpg)
3M™ Connector CIR-1/0, 1/0 AWG stranded, O.D. 0.64 in (16,2 mm), 10 per case
3M Stock
7000149335
Alternative ID
CIR-1/0
![CIR Series Connectors](https://multimedia.3m.com/mws/media/42743J/J.jpg)
3M™ Connector CIR-4/0, 4/0 stranded, O.D. 0.91 in (23,1 mm), 10 per case
3M Stock
7000132525
Alternative ID
CIR-4/0
![CIR Series Connectors](https://multimedia.3m.com/mws/media/42743J/J.jpg)
3M™ Connector CIR-2/0, 15 kV, Compact/Solid; Stranded, 10 per case
3M Stock
7100164454
Alternative ID
CIR-2/0
![CIR Series Connectors](https://multimedia.3m.com/mws/media/42743J/J.jpg)
3M™ Connector CIR-1/0A, 25/28 kV, Compact/Solid; Stranded, 10 per case
3M Stock
7000132524
Alternative ID
CIR-1/0A