This Bevel Setting Gauge is designed to accurately and quickly set a sliding T bevel gauge from 0-50 degrees off 90 degrees in 1/4 degree increments The long degree demarcation lines make it easy to precisely set your bevel gauge to any desired setting Markings are not printed, but precision photoetched, so they will never wear off Gauge is made from hardened and brushed stainless steel with an overall size of 12 inches by 3 inches and 0.050 inches thick The reverse side has a center finding ruler with markings down to 1/32 ths and millimeters This Taytools Bevel Setting Gauge is designed to accurately and quickly set a sliding or T bevel gauge from 0-50 degrees off 90 degrees in 1/4 degree increments. It can also be used to accurately determine specific angles taken via a T bevel gauge. The long degree demarcation lines make it easy to precisely set your bevel gauge to any desired setting. Markings are not printed, but precision photoetched, so they will never wear off. Gauge is made from hardened and brushed stainless steel with an overall size of 12 inches by 3 inches and 0.050 inches thick. The reverse side has a center finding ruler with markings down to 1/32 ths and millimeters. Face has end graduations from 0-3 inches in 1/16 increments making it super easy to set the height of table saw blades or router bits.