Features 1、This ER32 balance collet is made from high density stainless steel for durability and toughness 2、Great processing and fine making, it could absorb the shocking and the impact power 3、High speed, the maximum speed can be up to 30000rpm 4、Well packed in a container which can protect balance collet against damage during shipping or storing 5、Widely used on drilling machines, grinding machines, lathes, and other processing machines Specification Features: This ER32 balance collet is made from high density stainless steel for durability and toughness. Great processing and fine making, it could absorb the shocking and the impact power. High speed, the maximum speed can be up to 30000rpm. Well packed in a container which can protect balance collet against damage during shipping or storing. Widely used on drilling machines, grinding machines, lathes, and other processing machines. Specifications: Type: ISO30-ER32 Material: Stainless steel Speed: 30000RPM Color: Silver and black Size: 120 x 50mm / 4.72 x 1.96" Quantity: 1 Package Includes: 1 x ER32 Balance Collet Package List