Heave Duty milling of a rusted rough gascut mild steel plate clamped magnetically on MAGNASLOT (Patent A). Magnaslot is a unique Electro Permanent Magnetic Chuck which can clamp magnetically steel plates and also have T Slots to clamp non-ferrous jobs. please visit our website http://www.sardamagnets.com/product.asp?prodid=134 for more details about the product