TENDO makes tool changes quick
They have a variety of intermediate sleeves and are used with all clamping diameters. They come in multiple gauge lengths that clamp directly.
Small in size for low-clearance, they make tool changes quick and provide consistent run-out accuracy.
Schunk is a manufacturer of clamping and workholding systems based in Lauffen am Neckar, Germany. It has Canadian operations in Mississauga, Ont.