| Model | 3-types |
|---|---|
| Country/Region of Manufacture | United States |
| MPN | 3/16 X 3/16 |
| Brand | Ruland/Heli-Cal |
Check the listing for details. Batch of 5 Flex couplings Ruland/Heli-Cal/PIC. Condition: New – Open box. Listed at 50.00 USD. The largest one is a Heli-Cal steel coupling with ¼” bores. The coupling with black ends is a Ruland Bellows style type BCK with 10mm bore on one end and 3/8” on the other. The coupling with the flat copper springs in the center is a Rendbrant style with 6mm and 8mm bores.