Hydraulic Patch Hole Spring Floor Concealed No Digging Floor Hinge Two Way Glass Door Closer with Hold Open - AliExpress
Hydraulic Patch Fitting Kit (No Hold Open) - Brushed Stainless - IGT Glass Hardware
GCC Glass Door Hydraulic Bottom Patch Fitting - Hold Open
CRL CRL380MBL Matte Black Hydraulic Patch Fitting with 2-9/16" Setback - NHO
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Hydraulic Patch Fitting Hpf 100 for Glass Door - China Floor Spring, Floor Hinge | Made-in-China.com
NHN Model: PDC100 (Non-Hold Open Type) Satin Stainless Finish - Hydraulic Self Closing Pivot Door Closer for Glass Door (Patch Fitting), No Digging on Floor - Amazon.com
Samson Hydraulic Door Patch Closer is a hit on Frameless Glass Doors
HPF010 : Hydraulic Bottom Patch, No-Digging Floor Spring. – Harmony Building Material Group Inc.
Auto-Patch® Hydraulic Patch Pivot for Commercial Glass Door Applications - YouTube
NHN Hydraulic Self Closing Pivot Door Closer (Hold Open) for Glass Door + Top Patch + Top Pivot, No Floor Digging … (Hold Open/DW 30–39inch, Stain Stainless Steel) - Amazon.com