<b>Description:</b><br> MODEL: ER20<br> CONDITION: Brand New<br> MATERIAL: High Grade 1065 Carbon Steel<br> Run-Out Tolerance: 0.015MM (0.0006")<br> Gripping Range: 1/16"-1/2"<br> <b>Package included: Total is 14 pcs, They are</b><br> 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" ER20 Collets <br>