The main dimensions of a slot

or if not, what is a better way to make the callout? Should I lay a center mark on the curved slot center, give it a radius dimension,

The dimensions of the entire cylindrical slot are: = inches, = inches and length = inches

dimensioning a slot The results showed that the use of a slot with a width of times the bridge pier diameter and a slot height of more than 2 times the pier

dimension slot Dimension attributes Tabular data 1 The table element slot element; 5 The canvas element The 2D rendering context