Sealey professional tyre inflator sealey sa37 93 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 supplied with a serial numbered calibration certificate sealey sa37 93 professional tyre inflator with twin push on connector