ER20 Spring Chuck Collets CNC - All Metric & Imperial Sizes 3mm to 13mm
ER20 spring collets. 13mm 21mm 32mm 13mm. 3mm 21mm 32mm 3mm. We aim to provide the DIY community with a wide range of quality and affordable supplies that they need to make their projects reality. 6mm 21mm 32mm 6mm.