1. [HIGH-QUALITY MATERIAL] Made of durable chrome-molybdenum steel alloy, this collet holder ensures high hardness and exceptional longevity, making it an ideal choice for demanding machining tasks. Say goodbye to wear and tear as this holder withstands even the toughest applications. 2. [VERSATILE DEEP HOLE MACHINING] With a handle length of approximately 100 mm (3.9\"), this Spacer Sleeve/Shaft Extender is perfect for deep hole machining. It provides the needed to tackle challenging projects while ensuring stability and consistent performance at various depths. 3. [ STRONG CLAMPING] Designed for maximum drilling efficiency locking, this collet holder features high rigidity and a sturdy grip. Experience security in your setups as this tool holds the cutter securely in place, reducing vibration and improving accuracy during use. 4. [COMPATIBLE WITH ER20 CHUCKS] This holder is designed specifically for ER20 chucks, allowing for easy installation and replacement. Enjoy seamless operation and compatibility that supports a wide range of cutters, making it a versatile addition to your workshop\'s .
5. [MULTIPLE MODEL OPTIONS] Available in multiple configurations, this plier holder meets different crafting needs. Whether you are an amateur or a professional, you will find the perfect model for your projects, ensuring you always have the right tool for the job.

Specifications:
Item type: Plier holder
Model: ER20A-100L
Material: chrome-molybdenum alloy steel
Clamping rod diameter: approx. 20 mm/0.8 inch
Applicable model: ER20
Handle length: approx.