1 - 42mm HRIG-POA 45G Blickle Levelling castor. These castors are made in Germany by Blickle. These castors are used for applications where the unit needs to be mobile & also needs to be fixed in position on feet. The castors are easily adjusted using the hand-wheel incorporated into the body, when the rubber pad is screwed down the unit is fully immobilized & the rubber pad also acts as a vibration dampening mount. They have a single M8 hole on the top plate, they are supplied with a 8mm thread for fixing. The mounting plate is pressed steel & the body is cast aluminium. There is a 1 year warranty against any manufacturer"s defects. Castor dimensions: 42mm black nylon wheel, Overall height: 72mm - 80mm, Weight capacity: 180kg per castor, Plate size: single M8 mounting hole (thread depth: 12mm), Levelling range: 8mm, Temperature range: -10 / +90 degrees C.