Er11 Spring Collet Set, 1/8" and 1/4" ER11 Collet Chuck for CNC Engraving Machine & Milling Lathe Tools (2 Pack)
Brand: Yarrkc

Specification:
Model: ER11 1/8" & ER11 1/4"
Material: High Grade 65Mn Spring Steel
Outside diameter: 0.45" (11mm)
Precision:<0.012
Height: 0.69" / 0.68"
Package included:
2 Pcs CNC ER11 Collet

Material: 65Mn, good elasticity, high precision
Model: ER11 1/8" & ER11 1/4"
Precision: <0.012; Height: 0.69"/ 0.68"; Outside Diameter: 0.45" (11mm)
Built in self-release design and tools will never get stuck in holder
For CNC milling lathe tool & Work holding engraving machine