We use calipers for all kinds of accurate measuring jobs, and these giant Oversized Aluminum Calipers will give you quick, accurate readings for inside or outside measurements in inches or millimeters up to 24'' (that's 61 cm). Lightweight but rugged with very smooth action, they're easy to adjust, easy to grip, and feature easy-to-read numbers. Keep this one in your toolbox for quick access. Dimensions: 1/2'' thick and 28'' long.
