Opis
| symbol | gwint | oznaczenie wg Rastelli-Raccordi |
| XEL 9/16” ORFS | 9/16″ | RK2720-06-06 |
| XEL 11/16” ORFS | 11/16″ | RK2720-10-10 |
| XEL 13/16” ORFS | 13/16″ | RK2720-12-12 |
| XEL 1” ORFS | 1″ | RK2720-14-14 |
| XEL 1 3/16” ORFS | 1 3/16″ | RK2720-18-18 |
| XEL 1 7/16” ORFS | 1 7/16″ | RK2720-22-22 |
| XEL 1 11/16” ORFS | 1 11/16″ | RK2720-30-30 |
| XEL 2” ORFS | 2″ | RK2720-38-38 |
