Manufacturer boehm-stirling-technik http://www.en.boehm-stirling.com/  Can be used as a drive tattoo machines or table souvenir Technical Data DIMENSIONS Height 16 cm, Width 20 cm, Depth 15 cm WEIGHT 1600g MATERIALS Stainless steel screws , polished stainless steel guide components, polished massive brass wheels and cylinder. COMBUSTION / OPERATION TIME approx. 10 Min., Then let cool ROTATIONAL FREQUENCY RANGE 800-2000 Rev / min (depending on flame size and spacing) CONTENTS OF ASSEMBLY KIT 140 Pieces, of wh