Singer Heavy Duty and Commercial Grade Sewing Machines
 |
 |
 |
| 4411 Heavy Duty | 4423 Heavy Duty | 5532 Heavy Duty |
 |
 |
|
| HD-110 Heavy Duty | CG-500 Commercial Grade |
|
|
|
| 4411 Heavy Duty | 4423 Heavy Duty | 5532 Heavy Duty |
|
|
|
| HD-110 Heavy Duty | CG-500 Commercial Grade |