Manufactured in stainless steel grade AISI-304 . Electro-polished. Burr free to protect, wraps and eliminate user injury. Smooth round Edges. Side wall perforated to protect sharp instruments edges and tips from damage. The perforation hole size is 2.0 mm. Meet all requirements of automatic washing and sterilization of all kinds of instruments. Separate lids are available with double frame. Inner mounted drop handles. Top frame diameter 5.0 mm. Flat base basket available in welded mesh with openng square 6.0mm, wire diameter 1.2 mm. Stacking frame can also be available on request.