Concentric bushing, standard head, 303 stainless steel, delivered together with W guide wheels
| 2 | Size | |
| Standard | Head Profile | |
| Concentric (stationary) | Adjustability | |
| Metric | Unit version |
| HS | 14.2 mm | Head size |
| LO | 17.4 mm | Overall height |
| HH | 6.65 | Head thickness |
| THH | ±.001"(±0.03mm) | Tolerance head thickness |
| MV | 0.48 mm | Mounting surface to wheel vee |
| OD | 9.52 mm | Wheel mounting diameter |
| TOD | +0/-0.001"(+0/-0.025mm) | Tolerance wheel mounting diameter |
| LB | 10.8 | Wheel mounting length |
| ID | 6 mm | Mounting hole diameter |
| TID | +0.002/-0.001"(+0.051/-0.025mm) | Tolerance Mounting hole diameter |
| m | 10.3 g | Weight |
| M6 | Recommended mounting fasteners (Screws/Bolts) |
| BWC | PBC |
| MB2SS MB2 | VB2 |
