Schrader Duncan Limited supplies Large Bore Tyre Pressure Gauge. Schrader Duncan Limited is an ISO 9001 accredited company. The Large Bore Tyre Pressure Gauge of model number ND 6297 LBH is easy reading Bourdon tube type gauge and is available with a rigid stem with a provision of the hand grip made up of Plastic. The Tyre Pressure Gauge is suitable for application in OTR tyres and is used for quick reading at fields as well as tyre maintenance and repair shop.