This drill chuck is to fit an Iram 12 or 16 paper drill head.
Two options available either a metric 17mm chuck or imperial 13/16" chuck, please see pictures below for reference.
Iram 17mm chuck picture for reference
Iram 13/16 chuck picture for reference
Price per chuck.
For more info phone 01908 563149.
Before purchasing please check that your are ordering the correct chuck size for your Iram.