The bowl being measured slides between two non marring brass balls.
Bowl thickness gauge.
The thickness of the bowl wall is indicated by how far the end of the plunger is from the c shapes gauge.
This plunger style caliper was designed by mike jackofsky.
Designed to measure the wall thickness of bowls up to 20 in diameter the tompkins gage t thickness gauge is also ideal for checking platters too.
Essential for measuring and maintaining the proper wall thickness of your bowl.
8 from pivot to tips.
Transfers your bowl s wall thickness measurement to the outside caliper tips without removing it from your work.
Each line represents 1 16.
1 16 of 143 results for bowl thickness caliper taytools 469416 7 inch woodturning double ended bowl calipers overall length 14 1 2 inches black metal finish 4 4 out of 5 stars 25.
The gage t frame is made from durable glass filled nylon and features a spring loaded measuring rod with etched thickness scale 1 16 increments and non marring brass contact points.
Made of urethane resin the gage t has a spring loaded steel rod with lines etched around it that allows for direct reading in the wall thickness.
Here s a link to his site for more details.
The thing i like about the gage t is that you can easily slide the tool down the wall of the bowl and watch the scale to show the actual thickness of the wall at that point no guessing or estimating making the identification of the specific area that needs more work quite easy.