Collet Diameter: .45" (11.5mm). Collet Length: .71" (18mm). This enables holding of oversize & undersize cutting tools without sacrificing accuracy or gripping power.
This product may contain metals and/or chemicals that are included in the State of California's latest Prop 65 warnings. Exposure may cause cancer and/or reproductive harm. For more information go to www.P65Warnings.ca.gov