XTreme General Purpose Supreme Series Diamond BladeThe American made XTreme General Purpose Supreme Series Diamond Blade is laser welded and specially designed to cut everything with just one diamond blade. Its laser welded segmented rim has specially bonded alternating drop segments to help prevent undercutting and potential segment loss while allowing them to cut everything under the sun, from soft abrasive green concrete, asphalt, lightweight block, sandstone, to hard non abrasive high PSI brick