we made this tire inflator gauge for 10 years This inflator gauge have a long history,we export to USA as usual.Spray-plastic metal head,metal body,4size plastic bar with half round.Calibrated:20-120lbs.Scales selection(bar.kpa.kg/cm2.psi)Packing manner:30pcs/inner box,300pcs/ctn.35*32*16cm.10/11kgs Tire inflator gauge