Standard duty, molybdenum disulphide based lubricant
| Fenner Drives | |
|---|---|
| Product Category | Rigid Couplings |
| Product Number | 31/8 |
| Product Name | WK 90-12 |
| Design | One Piece Set Screw Design |
| Material | Carbon / Alloy Steel |
| Units | English Design Arrangement |
| Bore 1 | 3.88 inch (98.42 mm) |