ABH 1036 Heavy Duty Concealed Mount Overhead Door Friction Satin Stainless Steel 18" Display Boards This is a High Speed Steel This is a High Speed Steel 84° Double Angle Mill Cutter for Xhorse XC 009 cutting machine and other comparable machines These keys have the ability to both start the car and to function as remote controls Whether for commercial or residential application Function: Door Friction Door Thickness: 1 3 4" minimum Frame Opening: 18" 22 15 16" Handing: Non handed Spring: Shock absorbing spring provides 3° to 5° cushion before dead stop Material: Stainless Steel Finish: Satin Stainless Steel Mounting Style: Concealed Certification: ANSI Code C01531