| Dimensions | 2-5/32 in Dia |
| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Dixon Valve & Coupling Co | DIX R125ES-A | 1-1/4" Brass Serrated Ferrule for 520-H Coupling R125ESA |
| | Dixon Valve & Coupling Co | DIX R15AAS-A | 1-1/2" Brass Serrated Ferrule for 520-H Coupling R15AASA |
| | Dixon Valve & Coupling Co | DIX R1375ES | 1-3/8" Brass Serrated Ferrule for 520-H Coupling R1375ES |
