Precision machined "metal to metal" sealing system. Positive action clamping locks align the cover to the base, forming a steam tight seal. Since the seal does not use gaskets, the cover can be easily opened and closed. Features a readable pressure gauge for accurate pressure control and an easy to read, 8 1/2" x 11" instruction and recipe book.

Features:
• Sturdy bakelite handle
• Pressure regulator weight
• Exclusive metal to metal seal, no gasket to crack, burn, replace or clean
• Automatic overpressure release
• Heavy cast aluminum with a smooth easy to clean satin finish
• Regular Mason Jar Capacity: 19 pint jars, 14 quart jars
• Easy on- off cover
• Positive action clamping wing nuts permit easy opening and closing
• Double thickness edges for additional protection on these points of heaviest wear
• Height: 19"
• Inside Diameter: 12 1/4"
• Weight: 21 1/4 lbs.