Detailed Product Description Square pressure gauge1). size: 28mm X 28mm2).case: plastic case3).lens: plastic window4).back connection with O-ring seal5).brass or copper movement6).brass or copper bourden tube7).pointer: aluminium8).range: max 15bar9).Accuracy:2.5%10).logo according to customer's requestion11).package following customers' suggestion12) clour can be black, green and so on