MASTA England load pressure gauges are manufactured by us in Kolkata since over 40 years now.We are the original makers. 6"/8"/10" dial sizes are standard. All standard ranges are 100/500/1000/1200/1500/2000/3000 kN are available in various ram diameters.Back or bottom entry. Our tubes never crack or leak in high pressure. Also we have 8" dial fully stainless steel body set of 500/1000/2000 kN in 205mm ram dia or any ram dia to suit your need. Motorised version is with a microswitch. Contact us: Lucas Pressure Gauge Co, 64 Linton St,Kolkata 700014. 09038414676. lucaspressuregauges@gmail.com