WINDMILL SHOCK-PRO SP-3000 LightersUnique circular design with re-enforced outer case; extremely rugged cap hinge; and external cap lock make the Shock-Pro extremely shock proof. Enlarged, high capacity fuel tank permits extended backcountry use - burn time is approximately 1400 ignitions at 3-5 second durations (1-2 hour burn time). Quick release buckle and web strap for easy attachment to belt on standard models; Antique models feature a leather strap, buckle and rugged metal swivel clip. Weight (empty) 2.8 oz including strap and buckle. Holds 4.8(!) grams of butane fuel.