http://www.impexindustry.com/index.php?route=product/product&product_id=730 http://www.impexindustry.com/image/data/logo.png http://www.impexindustry.com/index.php?route=product/product&product_id=730 Impex Industry http://www.impexindustry.com/index.php?route=product/product&product_id=730 Fig. 1, 5 mm diameter, Length of outer tube 50 mm]]>