The smaller one measures 1.75" X 1.75" X 2.75. The round collets come in sizes ranging from 15/64 to 23/32.
This set includes the following sizes. The set is ideal for those in the CNC, metalworking, and manufacturing industries and falls under the workholding and toolholding category. The 5C collets are made specifically for these collet blocks and are perfect for those in need of precision in their projects.