Bottom Door Patch Fitting is used to hold the glass door with the spring or the ground shaft to make the door run normally. The Patch Fitting is widely used in glass doors. The body material is aluminium alloy. The cover material is SUS304. Patch Fitting to be used with either 8 to 12 Glass.The cover surface treatment: PSS, SSS, Titanium, etc. According to customer needs can also oxidize a variety of surface treatment.