Sliding Patio Door Keeper Narrow Raised Dual Point Lock Casement/Awning Accessories this top extension is suitable

this top extension is suitable for doors measuring 77" (1

for 1-3/4 inch thick doors

The lock assembly is suitable for homeowners or professionals who need a direct replacement lock for Marvin sliding doors

While the original Marvin hardware is larger than this replacement

Sliding Patio Door Keeper Narrow Raised Dual Point Lock Casement/Awning Accessories this top extension is suitableSliding Patio Door Keeper Narrow Raised Dual Point Lock Sliding Door Keeper, 1 2 in. Raised Dual Point lock Raised Double Hole Strike plate used with two (2) hook sliding door mortise locks. Width: 5 8 inch Overall Length: 10 7 8 inches Height: 1 2 inch Material: Steel Color Finish Options: Zinc Dichromate Yellow Dichromate White Stainless Steel Beige Slotted Holes for screws: 1 2 inch, allows for maximum adjustment Rectangular Hole for Mortise Latch