COLLET ER25 SET METRIC, 15 pieces

15 pieces of ER25 with hole sizes: 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 and 16mm.
Made of high alloy spring steel.
Hardened surface to 44-48 HRc.
Maximum gripping force with 16 jaws.
for hole size under 10mm Runout precision of 10µm (Concentricity of 5µm).
for hole size above 10mm Runout precision of 15µm (Concentricity of 7.5µm).