PACKAGE: Well packed in a container which can protect balance collet against damage during shipping or storing. ISO30 ER32 45L Tool Holder High Precision ISO Standard Collet Chuck for Milling Machine Collet ISO30 ER32 Balance Collet Chuck G2.5 24000rpm CNC ... – Grandado High Speed Collet The body is made of 20CrMnTi material with high hardness ,bright appearance,good mechanical properties ,fully carburized heat treated outer and inner diameters... MATERIAL: High density stainless steel, great processing and fine making for durability and toughness. HOZLY 5PCS/Lot ISO30 ER32-45L Balance Collet Chuck G2.5 30000RPM CNC Tool Holder Stainless Steel With Pull Stud Milling Lathe Brand Specifications: Type: ISO30-ER32-45L Material: Stainless steel Speed: 30000RPM Color: Silver and black Package Includes: 5 x ISO30 ER32-45L Balance Collet