J.W. Winco, Inc. recently announced it now offers GN 129.5 Stainless Steel Hinges, in metric sizes. These RoHS-compliant hinges are used for doors that are flush with the frame on the outside. Once assembled, they cannot be unhinged. Being mounted from the inside, they are especially suitable for doors and trap doors, which must not be detachable from the outside, as an anti-tamper device. Hinge body, pin, and washer are available either in stainless steel, European Standard No. 1.4305 (American Standard Series 303) or A4 stainless steel, European standard 1.4408 (American Standard Series 316). Hex nut and serrated washer are of stainless steel, European Standard No. 1.4301 (American Standard Series 304).