Hi,

can anyone tell me what these are exactly? Thanks!

http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=9786130226008&x=0&y=0&ih=1_0_0_0_0_0_0_0_0_1.137_71&fsc=-1

http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Dstripbooks&field-keywords=9786130730659&x=0&y=0&ih=1_0_0_0_0_0_0_0_0_1.229_84&fsc=-1


Stephan