Techniks 05952-05 | 4.50mm - 5.00mm Capacity x 5.00mm Shank DNA11 Dead Nut Accurate ColletTechniks mission is to provide high quality and innovative solutions that optimize manufacturing processes for customers engaged in metalworking, composites machining, and woodworking to meet the most challenging applications, improve machining processes, and create cost efficiencies. Techniks Dead Nut Accurate (DNA) Collets feature T. I. R. of 0. 0002" or less to extend tool life and reduce costs. These Collets are best for tools of 1 8" (6mm) or