Angle strips are punched with square holes according to the original pattern. Each strip is 1 1/2" X 1" and 18 gage thickness.Stainless steel is type 430, bright and slightly magnetic. We've been is business for over ten years and are committed to providing excellent customer service and parts. If you have any questions or problems, we are more than happy to assist you with your concerns. We would welcome the opportunity to earn your trust and deliver you the best service in the industry.