This is a 10 pcs. case of rugged 2-1/4" threaded all-plastic fuel cap with automatic venting

CAUTION:

REMOVE SLOWLY – fuel may be under pressure – Spray may cause injury or fire.   Always use a fuel cap designed for use on your fuel tank.  Properly secure the fuel cap prior to starting the engine.  This is a vented cap, using the cap with non-vented fuel tank systems or in other applications for which the cap is not designed or intended, may result in fire, explosion, damage to the fuel system, or may cause your engine to stop or malfunction.  Do not use this cap unless you know it is compatible with your tank and product.