1Set/20pcs ER32 1-20mm Spring Collet Chuck Set For CNC Milling Lathe Tool Holder

  
Gripping Range: 1mm to 20mm(1mm 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm).