7PCS ER11 5mm Motor Shaft Holder Extension Rod ER11 1-7mm Spring Collets Set

Features: Made of high grade specially formulated spring steel durable in use. Professional manufacturing exquisite workmanship high reliability. Built in self-release design and tools will never get stuck in holder. Use with any standard ER collet chucks for coolant-thru tool applications. Widely used for boring milling drilling silk attack sculpture CNC and other processing. Specification: Condition: 100% brand new Spring Collet Model: ER11-1 ER11-2 ER11-3 ER11-4 ER11-5 ER11-6 ER11-7 Package List: 1 x Extension Rod 7 x Spring Collet Note: Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering.