Techniks 04232-19 | 18.00mm - 19.00mm Capacity x 19.00mm Shank x 32.00mm Width ER32 Bearing steel Super Precision 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 Precision Collets have at most . 0002" T. I. R. as a standard quality guarantee. Their clamping range is . 039". For best results, use with a PowerCOAT Nut to