Check the listing for details. Storefront Door Mortise Lock Circle Bolt with Internal Lock 3 Keys, Silver. Condition: New. Listed at 40.20 USD. Description:Storefront door mortise lock with internal lock and 3 Keys, designed for commercial glass/aluminum frame doors. This 304 stainless steel lock set offers security, suitable for restaurant, office, and retail entry doors.Specification:Lock Size: 45x65 mm / 1.77x2.56 Inches (WxH); 89mm / 3.5 Inches Thickness;Suitable for Door Thickness: 40-50 mm / 1.57-1.97 Inches;Suggested Hole Diameter: 32 mm / 1.26 Inches;Material: 304 Stainless Steel.Color: SilverPackage List: 1x Mortise Lock, 2 x mounting screws, 1x dust cap, 3 keys.. Advantage: This mortise lock has high security, thickened steel bolt resists tampering and drilling. 304 Stainless steel construction is corrosion resistance and ensures long-term use. Twistable rotation for effortless locking/unlocking.Instruction: Loose the screw remove the look cylinder.