These shims are made to go under the plate supplied by MTU that the resilient mount bolts to.  The 4 - 19mm (5/8") holes are drilled in to them. There are 8 sets for 2 engines. 4 sets in each new never opened in box. CR steel material.  350mm by 200mm. See drawing for exact layout. 

Each set (8 sets total) has 4-.002,.005,.010,.015,.020,.030 in it. 

192 pieces total.