© Universal Laminators 2011 The StackerBoss is the largest of the  range of vacuum lifting sheet, pick and place, sheet stackers, it has a rating of 300kg. This unit is used both as a sheet unload  and a sheet load unit on our high speed  automated stainless steel polishing and lamination lines, it has a variety of other  possible applications. (N.B. Units over 300kg can be transferred  using a higher spec system. Please contact  us to explain your needs and for more  information).