Selkirk 104825 Adjustable Roof Flashing, 4" Traverse and a 1/4-inch ball groove

and a 1/4-inch ball groove shank for quick bit changes

Provides even heat distribution

Ergonomic grip provides a better grip and protects from extreme temperatures

The hardened steel point and spring impact drive allows for accurate punches in metal and wood

Selkirk 104825 Adjustable Roof Flashing, 4" Traverse and a 1/4-inch ball grooveHighlights: Size: 4" Rv round Type B gas vent Use on 0 6 12 pitch OD = ID + 1 2" Inner wall aluminum, outerwall galvanized For gravity draft venting of "Listed" LP or natural gas burning appliances 100 million BTU per hr., 500 degree F max. Not for wall furnaces Used where the vent passes through a roof Boxed