7-Pack 5C Hex Collet Set for Lathe, Tool Steel, 0.875 Inches, 1-1/8" - 10 UNC...
Model: 5C hex collet setSuitable for all kinds of lathes with a spindle taper of 5C, such as automatic lathes, CNC lathes, etc. 7PCS 5C Collet Set: 1/4,5/16,3/8,1/2,5/8,3/4,7/8. Collet end OD & ID threaded.