Zippo 6-Hour Refillable Hand Warmer Size:6 Hr Transducer Frequency: 83/200 kHz and

Transducer Frequency: 83/200 kHz and 455/800 kHz

010" diameter

Infinitely expandable to add displays and sensors

The 2-piece ring set features rings of differing height to match the taper of the receivers

are designed to hold up to over 200 days of rigorous use by the pros under the intense weathers of mother nature

Zippo 6-Hour Refillable Hand Warmer Size:6 Hr Transducer Frequency: 83/200 kHz andZippo's new and improved filling process makes firing up these little pocket sized furnaces easier than ever. Fill the cup Light the burner And go! They provide up to 6 hours of gentle, consistent heat. And theyre odorless. So the only thing that stinks is not using them and getting frozen fingers. Includes Easy Fill Technology Stands Up With Flat Bottom For Easier Filling Improved Fill Cup Helps Reduce Spills Perfect For All Cold Weather Activities