| Head Assembly | |
|---|---|
| Round Spindle Type | Square Spindle Type |
 |  |
| Hinge Plate Assembly | |
|---|---|
| Single | Double |
 |  |
| Chute Track Assembly | |
|---|---|
| Round Spindle Type | Square Spindle Type |
 |  |
| Nut Stopper | |
|---|---|
| Round Spindle Type | Square Spindle Type |
 |  |
| Head Assembly | |
|---|---|
| Round Spindle Type | Square Spindle Type |
| |
| Hinge Plate Assembly | |
|---|---|
| Single | Double |
| |
| Chute Track Assembly | |
|---|---|
| Round Spindle Type | Square Spindle Type |
| |
| Nut Stopper | |
|---|---|
| Round Spindle Type | Square Spindle Type |
| |