An innovative 3 stage design that achieves high pressure (up to 260psi) and high volume in record time. Stage 1 opens both barrels for big volume to reach 60psi. Stage 2 uses the main barrel only for pressures up to 120psi. Stage 3 engages the small barrel to achieve an amazing 260psi.SmartHeadÔäó connectorAnodised aluminium barrelExtra long hoseAir bleed button for precise pressure settingStable aluminium and rubber baseOversized padded Elastomer handleHead 'dock' holds hoseIncludes ball, air bladder needles and Dunlop valve adaptor