The document describes two models of locks, the ET-B03 and ET-B04. Both are made of ABS coated stainless steel with customizable laser printing options. The ET-B03 has a 7mm shaft diameter and dimensions of 48x34x14cm while the ET-B04 has a 8mm shaft and smaller dimensions of 30x22x15cm. Both locks can be used to seal containers, trucks, tanks and vans and are available in bulk quantities.