ER-32 Collet Chuck, 4" Diameter - Allows 25/32" Stock Through The Headstock of The Lathe, Concentricity .0016", LittleMachineShop.com (4231): Amazon.com: Tools & Home Improvement
MARS-TECH ER 32 COLLET DIN6499B AA 0.010 MICRON High Quality Precision Collet. (20mm) : Amazon.in: Industrial & Scientific
9pcs ER32 Spring Collet Set for CNC Workholding Engraving Machine and Milling Lathe Tool 2/4/6/8/10/12/16/18/20mm(14mm Not included) - - Amazon .com
MT3 Shank With 11PC ER32 Collet Set ER32 Chuck & Spanner For Milling Machine - - Amazon.com
findmall 14Pcs ER-32 MT3 Chuck Spring Collet Chuck Set with Collets 1/16 Inch-13/16 Inch Set and Box Fit for CNC Engraving Machine and Milling Lathe Tool - - Amazon.com