Adjustable Spot Setting Tool
This is a handy little tool for putting holes in leather to apply spots.
The Spot Chisel has two blades that adjust from 1/8" to 1" in 1/8" incriments. The blades' are 3/16" wide. Blades can be sharpened or stropped for ease of use.
To use, simply set the awls to the desired width, push awl through leather. Insert spot and bend over teeth.