http://www.impexindustry.com/index.php?route=product/product&product_id=1015 http://www.impexindustry.com/image/data/logo.png http://www.impexindustry.com/index.php?route=product/product&product_id=1015 Impex Industry http://www.impexindustry.com/index.php?route=product/product&product_id=1015 M, "Perma Lock" solid regular stainless steel with retntion rim. Size mm 75 x 57 mm ]]>