Just "pinch" your wood to read its thickness - from 1/32" to 2". The expanded rear scale is easily read, and includes preset holes at 1/4" intervals for use as a go-no-go gauge, a handy feature for repetitive surface planing or checking turning diameters. Made of aluminum with non-glare finish

* Made Entirely Of Aluminum

* Easy To Read Scale

* Preset Holes At 1/4" Intervals

* Non-glare Finish

* This 9 1/2" Aluminum Caliper Will Measure Up To 2" In 1/32" Increments