90 mm As one of the smallest round chucks in the UNILOCK family, the ASM 90A specializes in small jobs without creating obstructions.
168 mm The ESM 168 round chuck can be used on the face of 4th and 5th-axis rotary tables, lathes, or mills where the center of rotation provides a through-hole to bury the workpiece.
176 mm Due to its size and additional clamping springs, the ESM 176A mm round chuck excels at handling heavyweight fixtures.
