... stainless steel 2)For use to reinforce flat surface right angle corner joints Different size can be provided: 17×13mm, ... group piece set of corner profiles, after leveling corner angle pieces and add real group profiles to achieve the gap ... corner Materialcarbon steel, stainless steel, steel tube, steel rod, aluminium , brass, zinc alloy and etc.Processstamping, bending, welding, casting, punching, ...