collet ER11 SET METRIC, 7 Pieces

7 pieces of ER11 with hole Sizes: 1, 2, 3, 4, 5, 6, 7mm.
Made of high alloy spring steel.
Hardened surface to 44-48 HRc.
Maximum gripping force with 16 jaws.
Runout precision of 10µm (Concentricity of 5µm).
Available both in imperial and metric sizes.