Accuracy: 0.0003" or 5um, ER32 Collet is fine ground for high accuracy.
Applicable: Fit for all R8, CAT BT CNC ER32 chucks or holder.
Material: Made of high grade spring steel, sturdy and durable.
8 pieces of ER32 collets in sizes 1/8, 3/16, 1/4, 5/16, 3/8, 1/2, 5/8, and 3/4 inch.
Advantages: Smoothly polished exterior, special beveled grooves to enhance rigidity and better maintain the overall balance of the tool holder assembly.