National Hardware® N178-814 Aluminum Universal Knob Latch BF15 Micro-filtration captures and contains fine

Micro-filtration captures and contains fine dust particles

Lightweight and stays flexible to -67° F

doors & paneling

Resists Mold & Mildew Growth

Fills and seals voids to correct surface irregularities

National Hardware® N178-814 Aluminum Universal Knob Latch BF15 Micro-filtration captures and contains fineFor wood or metal screen & storm doors with either 1 1 2", 1 3 4", or 3" hole spacing. For doors from 1 3 8" to 2" thick. Mounting screws included to match product finish. Interior locking mechanism provides for enhanced security. Includes spring loaded strike plate. Manufactured from zinc die cast. For wood or metal screen & storm doors with either 1 1 2", 1 3 4", or 3" hole spacing For doors from 1 3 8" to 2" thick Use pan mach screws 6 32 x 2 1 4"