ER Collets available in ER11 1-7mm in 0.5mm increments, ER16 1.5-3mm in 0.5mm increments 4-10mm in 1mm increments, ER20 1.5-3mm in 0.5mm increments 4-13mm in 1mm increments, ER25 2.0-3mm in 0.5mm increments 4-16mm in 1mm increments, ER32 3mm 0.5mm increment 4-20mm in 1mm increments. High Precision Series Max 0.008mm runout at 4xD.
