Features This ER32 compensating collet is made of high density stainless steel for durability and toughness Great workmanship and fine workmanship, it could absorb the shock and impact force High speed, the maximum speed can be up to 30000RPM Well packed in a container that can protect the collet from damage during transport or storage Widely used on drilling machines, grinding machines, lathes and other processing machines Features: This ER32 balancing collet is made of high density stainless steel for durability and toughness. Excellent workmanship and fine workmanship, it can absorb the shock and impact force. High speed, the maximum speed can be up to 30000RPM. Well packed in a case which can protect the balance collet from damage in transit or storage. Widely used on drills, grinders, lathes and other processing machines. Specifications: Type: ISO30-ER32 Material: stainless steel Speed: 30000 rpm Color: silver and black Size: 120 x 50mm/4.72 x 1.96inch amount: 1 Package includes: 1 x ER32 balancing collet Package List