| บิตชั้น | เส้นผ่านศูนย์กลางบิต (มม.) | จำนวนฟันเกลียว | ปุ่มขนาด |
| CIR50 | 50 | 4 | 3×φ10 |
| CIR50 | 55 | 4 | 3×φ10 |
| CIR60 | 60 | 4 | 3×φ12 |
| CIR65 | 65 | 4 | 4×φ12 |
| CIR70 | 76 | 4 | 5×φ12 |
| Cir90 | 90 | 6 | 6×φ14 |
| Cir90 | 100 | 6 | 6×φ14 |
| Cir90 | 105 | 6 | 6×φ14 |
| Cir90 | 110 | 6 | 6×φ14 |
| Cir90 | 120 | 6 | 6×φ14 |
| Cir90 | 130 | 6 | 7×φ14 |
| CIR110 | 110 | 6 | 6×φ14 |
| CIR110 | 120 | 6 | 6×φ14 |
| CIR110 | 125 | 6 | 7×φ14 |
| CIR110/CIR130 | 130 | 6 | 7×φ14 |
| CIR110/CIR130 | 140 | 6 | 8×φ14 |
| CIR110/CIR130 | 150 | 6 | 8×φ14 |
| CIR150 | 150 | 6 | 9×φ16 |
| CIR150 | 165 | 6 | 9×φ16 |
| CIR150 | 175 | 6 | 9×φ16 |
| CIR150 | 185 | 6 | 9×φ16 |
| CIR150 | 200 | 6 | 9×φ16 |
| CIR170 | 175 | 6 | 9×φ16 |
| CIR170 | 185 | 6 | 9×φ16 |
| CIR170 | 200 | 6 | 9×φ16 |
| CIR170 | 220 | 6 | 12×φ16 |
| CIR170 | 250 | 6 | 12×φ16 |
EN
