National Hardware N262-162 Bar Knob, Zinc DRYWALL CIRCLE CUTTERS pH Range: 5 to 6

pH Range: 5 to 6

Laminated leather washers pressed on handle and riveted

Rated 600 V maximum

Use as a ventilation cap as well as a Type B gas vent termination Protects against wind conditions that can cause gases to spill back into the structure through the appliance draft hood Its patented design of ports and baffles keep rain and debris out of the vent Permits termination of vents at the minimum height necessary above the roof surface Round shape

National Hardware N262-162 Bar Knob, Zinc DRYWALL CIRCLE CUTTERS pH Range: 5 to 6National Hardware Bar Knob, Zinc, Includes: Mounting Screws and Spring Loaded Strike Plate Designed for wood or metal screen and storm doors 1 3 4 in hole spacing Interior locking mechanism provides for enhanced security Fits 3 4 to 2 in thick wood doors