Description : This is a sheet metal protective cover for junction box, which is made of 20GA(0.9mm) stainless steel 304, the customer requests the position tolerance of holes is +/-0.2mm to ensure assembl well, scratch and sharp edge are not acceptable, so we must take care of polishing and protecting details, this is a not flat sheet metal, there are more than 11 bends on each part, so far we have supply more than 1000pcs to US customer.