
| 
 model  | 
 Number of slots  | 
 Shaft hole  | 
 Inner hole  | 
| 
 120×3B air  | 
 3  | 
 12-28mm  | 
 42mm  | 
| 
 130×3B air  | 
 3  | 
 12-28mm  | 
 32mm  | 
| 
 140×3B air  | 
 3  | 
 15-38mm  | 
 customizable  | 
| 
 150×3B air  | 
 3  | 
 24-38mm  | 
 customizable  | 
| 
 160×3B air  | 
 3  | 
 24-42mm  | 
 customizable  | 
| 
 180×3B air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 200×3B air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 220×3B air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 250×3B air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 280×3B air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 300×3B air  | 
 3  | 
 32-48mm  | 
 customizable  | 
| 
 320×3B air  | 
 3  | 
 38-48mm  | 
 customizable  | 
| 
 350×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
| 
 380×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
| 
 400×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
| 
 450×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
| 
 500×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
| 
 600×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
| 
 700×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
| 
 800×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
Note: Tolerance of outer diameter: 3-3mm, support non-calibration.

| 
 model  | 
 Number of slots  | 
 Shaft hole  | 
 Inner hole  | 
| 
 120×3B air  | 
 3  | 
 12-28mm  | 
 42mm  | 
| 
 130×3B air  | 
 3  | 
 12-28mm  | 
 32mm  | 
| 
 140×3B air  | 
 3  | 
 15-38mm  | 
 customizable  | 
| 
 150×3B air  | 
 3  | 
 24-38mm  | 
 customizable  | 
| 
 160×3B air  | 
 3  | 
 24-42mm  | 
 customizable  | 
| 
 180×3B air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 200×3B air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 220×3B air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 250×3B air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 280×3B air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 300×3B air  | 
 3  | 
 32-48mm  | 
 customizable  | 
| 
 320×3B air  | 
 3  | 
 38-48mm  | 
 customizable  | 
| 
 350×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
| 
 380×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
| 
 400×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
| 
 450×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
| 
 500×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
| 
 600×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
| 
 700×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
| 
 800×3B air  | 
 3  | 
 38-55mm  | 
 customizable  | 
Note: Tolerance of outer diameter: 3-3mm, support non-calibration.