The specialized air tool expert floor pump is a high performance easy to use tough and durable floor pump the cast aluminium base gives it a stable platform and the 42rsquorsquo 110cm hose length ensures you can easily reach valves this specialized floor pump has a rubber over moulded wing handle easy switching between presta and schrader valves is made possible with the threaded cartridge system finally there is an air bleed valve at the pump head so you can set pre