| Series | Image | Type | Size | Number of resistor elements | Attached switch | Datasheet |
| RK09L Series |
 |
Metal shaft snap-in type | 9mm Size | Single-unit, Dual-unit | Without |  |
| RK097 Series |
 |
Metal shaft multi-ganged type | 9mm Size | Single-unit, Dual-unit | Without/Rotary switch/ Push-on switch/Push-lock switch |
|
| RK163 Series |
 |
Metal shaft type | 16mm Size | Single-unit, Dual-unit | Without | |
| RK271 Series |
 |
Metal shaft type | 27mm Size | Single-unit, Dual-unit | Without | |
| RK501 Series |
 |
Metal shaft type High-quality-audio | 50mm Size | Dual-unit, Quad-unit | Without | |
| RK168 Series |
 |
Metal shaft motor-driven type | 16mm Size | Dual-unit, Quad-unit | Without | |
| RK09K/RK09D Series |
 |
Insulated shaft snap-in type | 9mm Size | Single-unit, Dual-unit | Without | |
| RK09Y11L Series |
 |
Insulated shaft long-life type | 9mm Size | Single-unit | Without | |
| RK11K Series |
 |
Insulated shaft snap-in type | 11mm Size | Single-unit | Without |
|
| RK12L Series |
 |
Insulated shaft snap-in type | 12mm Size | Dual-unit | Without |
|
| RK14K Series |
 |
Insulated shaft snap-in type | 14mm Size | Dual-unit | Without |
|
| RK08H Series |
 |
Without knob type | 8mm Size | Single-unit, Dual-unit | Without |
|
| RK10J Series |
 |
With knob type | 10mm Size | Single-unit, Dual-unit | Without |
|
| RDC80 Series |
 |
Through shaft type | - | Single-unit | Without |
|
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