Megaflint Keyless Entry Door Lock Deadbolt Keypad Mechanical Stainless Steel Pass Code or Key 100% Mechanical No Electronic

Easy to install in about an hour! Wear-free keypad material no clues left for thieves higher security. Does not lock automatically This can be a pro or con depending on your needs Slight adjustment to door knob cutout may be needed to accommodate width of lockBorehole can not less than 1-15/16″. For double bores standard door this lock must install on the above bore. Size 5-1/2x 3-1/4″ Maximum borehole diameter 2-1/8Suitable for standard prepared doors maximum borehole diameter 2-1/8Suitable for wood or metal door thickness of 35-50mm/1.38-1.96inch works both left/right handed and inward/outward opening doors. 100% Mechanical no risk of low battery Stainless Steel deadbolt lock is extra hard 304 you can use passcode or key to lock it or both very difficult to pry open.Made of stainless steel #304 enhanced anti-corrosion surface treatment features 5-15 times higher than zinc material. Replace Any Lockset Neatly Easily . Combination can be 4-8 digits no repeats with tumblers providing over 8000 options. Please refer to the installation video. Please be noted that the combination code can be used in any order.