Stainless Steel Maximum Security Accessories MSA-18 Front Mounted Specifications: Clothes hook fabricated of 7 gauge (4.2mm) and 12 gauge (3mm) type 304 stainless steel with #4 satin finish. Hook snaps down for safety when excessively loaded.   MSA-19 Rear Mounted     Similar to above but rear mounted. Stainless Steel Maximum Security Accessories MSA-18 Front Mounted Data Sheet See the GAMCO Home page for PDF "How To" information. NOTE: See catalog for similar products and technical information.