2 Point Double Hook Mortise Lock has set the standard for 2-point locking in the sliding door industry. Compatible with all industry standard 3-15/16" hole spacing handle sets.
Faceplate screw holes spaced at 11 inches (Screws included).
Features an anti-slam button to prevent the double lock hooks being damaged by door accidentally slamming with them extended.
Look on the back of the inside handle where the thumb lever passes through. If you have your old thumbturn in the "B" position, then it is off-centered exactly what we're offering to replace with, please compare to your existing ones before you drop an order.
Door Thickness: 1-3/8" to 2". Handle Center-to-Center Holes: 3-15/16".