| Model No | RBP25 | RBP38 | RBP50 | RBP75 |
| Pad Size | 1inch (25mm) | 1.5inch (38mm) | 2inch (50mm) | 3inch (75mm) |
| PU Thickness | / | / | / | / |
| Thread | 1/4'' | 1/4'' | 1/4'' | 1/4'' |
| Velcro | / | / | / | / |
| PSA | / | / | / | / |
| PU Hardness | Hard Rubber | Hard Rubber | Hard Rubber | Hard Rubber |
| Hole Quantity | Roloc Type | Roloc Type | Roloc Type | Roloc Type |
| Remark | Optional Shank DIA 6.0mm or 6.3mm | Optional Shank DIA 6.0mm or 6.3mm | Optional Shank DIA 6.0mm or 6.3mm | Optional Shank DIA 6.0mm or 6.3mm |