Toynbee II-S-31-100 http://www.impexindustry.com/index.php?route=product/product&product_id=520 Toynbee II-S-31-100 http://www.impexindustry.com/image/data/logo.png http://www.impexindustry.com/index.php?route=product/product&product_id=520 Impex Industry Toynbee http://www.impexindustry.com/index.php?route=product/product&product_id=520 Toynbee5.5 mm diameter, Fig. 2]]>