Standard Size: Our ER32 collet chucks are designed to clamp diameters ranging from 1/16" to 13/16". The precision is an impressive 0.0006 in/15 μm, ensuring top-notch accuracy for your machining needs. High Precision: With 0.0006 in TIR, our ER32 collet chuck set finds applications across various industries, including aerospace, automotive manufacturing, medical equipment, electronics, and more. It ensures precise machining to meet the high manufacturing standards of these industries. High-Quality Materials: Our ER32 collet chucks are crafted from sturdy 45#, hardened and precision-ground, making them suitable for high-speed milling of precision parts, high-strength grinding, and various machining scenarios. It also ensures the durability of the collet chucks and effectively addresses deformation issues during machining. Collet Chuck Specifications: Our ER32 collet chuck set includes 25 different collet chuck sizes to accommodate various needs: 1/16", 1/2", 1/4", 1/8", 11/16", 11/32", 13/16", 13/32", 15/32", 17/32", 19/32", 21/32", 23/32", 25/32", 3/16", 3/32", 3/4", 3/8", 5/16", 5/32 ", 5/8 ", 7/16 ", 7/32 ", 9/16 ", and 9/32 ". Easy Identification & Access: Our ER32 collet chucks are thoughtfully packaged in individual protective boxes with labels, making it effortless to distinguish between them. Additionally, to preserve the quality and performance of the collet chucks, they are immersed in anti-rust oil prior to shipping, protecting against corrosion and oxidation. Package Content 26 x Collet Chuck Set 26 x Storage Box 1 x User Manual