Saw Blade Material: High speed steel. Electric Grinder Transparent Cover Shield For Dremel Material: plastic. Quantity:6Pcs HHS Saw Blade,1Pcs Extension Rod (3.175mm). The HSS Rotary Circular Saw Blades are durable, Which are suit for timber, plastic, fiberglass, copper, aluminium and thin sheet metal etc.. Can shield and absorb radioactive a-ray and low energy b-ray so that avoid burns result from radiant heat..
