POLY BLOCK OVER-RIDE OFF-ROAD 4X4 COUPLING 2000KG - BOLT ON (MHTCPBOR) Poly Block OFF-ROAD Override Coupling Bolt On 2000kg Complies with AS4177.3 4 hole mount (185mm x 55mm) 360-degree swivel - 70 Degree Vertical Oscillation. Use with Car Adapters MHPBCA or MHPBCAC