Preethi Chef Pro 750-Watt Mixer Grinder has 100% stainless steel jars with flow breakers for fine grinding. Life long free service! Clear transparent polycarbonate dome and lid, The jars and blades are rust proof and the domes and lids are made of unbreakable polycarbonate material. Sturdy ergonomically designed handles. Machine ground and polished steel blades for optimal grinding efficiency, PVC insulated 3 core, flexicord with 6 Amps plugtop and earthing.