Drilled semi-products

http://www.winfa.sk/images2/img_1533.jpg http://www.winfa.sk/images2/img_1534.jpg http://www.winfa.sk/images2/img_1608.jpg http://www.winfa.sk/images2/img_1612.jpg http://www.winfa.sk/images2/img_1615.jpg http://www.winfa.sk/images2/img_1617.jpg