Combo Tire Inflation/Deflation Tool contains full bore inflator / deflator, lock-on air chuck and valve core tool in one. The full bore inflator/deflator allows for rapid filling / emptying of tires. Lock-on air chuck holds unit securely on tire valves. Valve core tool prevents loss of valve core while inflating / deflating tires.We ship APO, FPO, Internationaland combine shipping.