hello guys i need the name about the material of this spacers i need to know what matels used in beculse
one of his fammely can do this in free he just need to know the names of the matirels.

the pic's :

http://pics.pancher.net/uploads/461162893410c.jpg
http://pics.pancher.net/uploads/3341162893411c.jpg
http://pics.pancher.net/uploads/2071162893411c.jpg
http://pics.pancher.net/uploads/4361162893413c.jpg
http://pics.pancher.net/uploads/5621162893413c.jpg

thank you.

 

my best guess would be aluminum anything else would probably be pretty heavy for a part that size multiply that by four and your adding some pretty good amount of weight