Dorma Muto 80 ceiling, sliding door system - KRAUS GLASBESCHLÄGE
NHN Hydraulic Self Closing Pivot Door Closer (Non Hold Open) for Glass Door + Top Patch + Top Pivot, No Floor Digging, Polished Stainless Steel - - Amazon.com
Dorma BTS80-6 Size-6 Double Acting Concealed Floor Door Closer Body & Case Only | eBay