• Type: ER Collet
• Collet Series: ER40
• Size Range (mm): 27-28
Patented Features
• Double-bearing grinding unit (reduces wear).
• Drill tightening design with bearing device.
• Adjustable trimming angle.
Standard Accessories• ER20 Collets, ranged from 2.0mm-13.0mm (12pcs).
• CBN wheel #200x1pc (for High Speed drill).
• 4mm and 5mm Hexagon (Hex.) wrench x 1 pc each