Patch fitting Stainless steel cover, Aluminum Alloy inside or as request suitable for 10-12mm thickness glass door HD050 LOCK PATCH FITTINGSThe material core is ... of 10-12mm.Products include upper,lower,top ,curve and lock patch kind, and can cooperated with DORMA, NEWSTAR,CROWN floor spring ... colors include mirror light, satin finish, titanium as ur request Lock Patch fitting HD050