A clamp 10 is for mounting on an arm. The clamp 10 comprises a frame 14, a gripping element 20 and a moveable clamping member 26. The frame 14 comprises an upright portion 16 and a lip 18 located at a lower end of the upright portion 16 and extending subst...

A levelling device 10 comprising a wedge-shaped body 12 having a lower surface 14 for contacting the ground 16 and an upper surface 18 for receiving the wheel 20 of a vehicle. The device 10 is characterised in that the upper surface 18 of the device 10 com...