Collet concetricity guaranteed to 0.0004

• Wide Holding range of each collet requires fewer collets and changes
• Unique self-releasing system eliminates sticking
• ER mini-collet chuck allows for machining in tight locations with reduced outside nose diameter
• includes collet chuck, wrench, and collets in fitted case
• Collet size ER-16 Shank size R8
• Collet range 1/8 - 3/8