This is a pressure gauge for the inflatable kayak or surfboard, made of premium and safe material. With the fine measure range, this pressure gauge can meet the pressure measurement of most inflatable boats. Accurate measurements and clear Pointers make it easy to read pressure data. Features -Color:Black -Material:PVC -Size:8.00X5.50X5.50cm/3.14X2.16X2.16in -The measurement range can meet the pressure measurements of most inflatable boats. Accurate measurements and clear Pointers make it easy to read pressure data. -The pressure gauge is marked with PSI and units for reliable use. It can be used with high pressure hand pump, air pump or air valves. -Check the change of air at any time, find potential problems of rubber boat, easy to install and operate. -Made of high grade PVC material, this barometer is strong and durable, suitable for inflatable boats, rubber boats, support boards, etc. -This premium and safe pressure gauge is suitable for sports: outdoor events, rafting, water skiing, surfing. Package list: 1 x Pressure Gauge