Ball 21400 Blue Book Guide to Preserving Metal Flex A pressure gauge on the

A pressure gauge on the back of the unit allows you to make sure you are filling the item with the proper amount of air

and versatile

Target head design increases the striking area and reduces spalling and mushrooming

a hardwood backer block and an assortment of grommets

can works well on areas up to 150 sq

Ball 21400 Blue Book Guide to Preserving Metal Flex A pressure gauge on theFor generations the Ball Blue Book has been recognized as the bible for the latest in canning information. It includes instructions for preserving food by canning, freezing, and dehydration. Provides easy to follow canning instructions, instructional graphics, helpful hints, weight and measure equivalents, problem guide, beautiful photographs. Highlights: Home canning and freezing guide The ultimate guide to all home canning Over 300 recipes for