• Diameter Size  : 9/32
• Collapsibility : 0.040″
• Tool holding range : 0.281″ to 0.242″
• Made of high alloy spring steel
• Hardened surface to 44-48 HRC
• Maximum gripping force
• Runout precision : 0.0004″ (Concentricity of .0002″)

• ER25, Hole Size 9mm
• Range 9mm to 8mm
• 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)

• ER32, Hole Size 10mm
• Range 10.0mm to 9.0mm
• Made of high alloy spring steel
• Hardened surface to 44-48 HRc
• Maximum gripping force with 16 jaws
• Runout precision of 15µm (Concentricity of 7.5µm)
• Available both in imperial and metric sizes

ER32, Hole Size 11mm,
Range 11.0mm to 10.0mm.
Made of high alloy spring steel.
Hardened surface to 44-48 HRc.
Maximum gripping force with 16 jaws.
Runout precision of 15µm (Concentricity of 7.5µm).

• Diameter Size : 14mm
• Collapsibility : 1mm
• Tool holding range : 14 – 13mm
• Made of high alloy spring steel
• Hardened surface to 44-48 HRC
• Maximum gripping force
• Runout : 0.0006″

• Diameter Size : 15mm
• Collapsibility : 1mm
• Tool holding range : 15mm – 14mm
• Made of high alloy spring steel
• Hardened surface to 44-48 HRC
• Maximum gripping force
• Runout : 0.0006″

• Diameter Size : 18mm
• Collapsibility : 1mm
• Tool holding range : 18mm – 17mm
• Made of high alloy spring steel
• Hardened surface to 44-48 HRC
• Maximum gripping force
• Runout : 0.0006″

• Diameter Size : 19mm
• Collapsibility : 1mm
• Tool holding range : 19mm – 18mm
• Made of high alloy spring steel
• Hardened surface to 44-48 HRC
• Maximum gripping force
• Runout : 0.0006″