case size: 2.5", 4", 6"
pressure range: 30inHg(vacuum)through 15000psi
bourdon tube:with 316 stainless steel material
movement:304 stainless steel
case:304 stainless steel polished or dull
bezel:with bayonet type, 304SS , polished or dull
connection:304 stainless steel, back and bottom
windows: tempered glass, PC, safety glass
dial:aluminium
pointer:aluminium, black
accuracy:1.6 or 1.0