A professional Tyre Inflator with Twin Push-On Connector and 218psi air supply The Sealey SA37/93 has an all aluminium body with a rubber end bumper which measures 270mm in length. It has been manufactured to comply with 86/217/EEC Measuring Instruments Directive. Features:   Manufactured to comply with 86/217/EEC Measuring Instruments Directive  Extruded aluminium body with large rubber bumper  Linear pressure scale, dual calibrated in psi and bar, with parallax correction  300mm Flexible hose fitted with 240mm, twin push-on, air connector   Comes With:   Serial numbered calibration certificate Specification: Range: 0-9.5bar (0-140psi)  Air Supply Minimum: 5.5bar(80psi)  Air Supply Maximum: 15bar(218psi)  Inlet: 1/4\"BSP  Accuracy: 2psi