Spiro 34103443 DOOR DETAIL DRILL 500 DIA. HALFWAY THROUGH DOOR (ONE SIDE ONLY) TRIM DETAIL 2390 DIA. xNO.?ยป ROSLYN, W/S X375 IMPORTANT NOTE : TO ENABLE EMERGENCY TRIM TO FUNCTION THE TURN PIECE SPINDLE MUST BE CUT TO EXTEND NO FURTHER THAN HALFWAY THROUGH THE DOOR. 937 | T 032 X9 072 1,250 DIA. 089 THK.