Spring Collet Set Specification:
Model: ER20
Material: High Grade 1065 Carbon Steel
Run-Out Tolerance: 0.015MM (0.0006")
Gripping Range: 1/16"-1/2"
Package include:
14 x ER20 Collets
Their Clamping Range is 1/16",3/32",1/8",5/32",3/16",7/32",1/4",9/32",5/16",11/32",3/8",13/32",7/16",1/2"