Note, just arrived, more blisters in different sizes, check it out.  I am offering 6 different sizes.

Note, I combine all orders and return all shipping overs!

I am offering a Large Aluminum Machine Formed Blister, For Aircraft, Cars, Boats it Artistry!  These are machine pressing in aluminum sheet.  The deep draw, an 1 3/8 " technically, so hard to make.  It measures 9" by 4" flange edge to flange edge.  The blister itself is 8" by 3 1/4".  It is an incredible 1 1/4" deep. It's amazing!  Money back guarantee for any reason on all returns." 

This item was not produced under any production authority from the FAA and may only be suitable for use on experimental aircraft, boats, cars, motorcycles or other non-aviation installations.  Use on certified aircraft will require some method of FAA approval”