specialty 　 　the new welding lever, ergonomic and safe, is located frontally to simplify the sealing of surgical packages. 　 　this arrangement allows the overall dimensions of the machine to be reduced for easy fitting in standard sterilization room cabinets. 　 　 the metal roll-locking bar is designed to improve machine performance. holding the roll permanently still and inside the welding area. the smooth surfaces and ergonomic design allow easy machine cleaning, at the same time increasing safety and ease of use. technical characteristics of jing yi characteristics 　 　overall dimensions 445 x 198 x 385 mm (l x h x d) 　 　operating voltage 230 v –50/60 hz 　 　absorbed power 100 w 　 　weight 7.4 　 　welding at constant temperature 12 mm 　 　covered roll holder usable with rolls of 100 and 200 m