详细介绍：

Features:
Adjust tool to 40 different positions indicated by a marked position dial (index every 9")

Each set include:1 Tool Post,3 Turning&Facing Holders“D”,1 Boring,Turning&Facing Holders“B”
*Fully interchangeable with other brand 40-position quick change tool post & holder 
*Heat-treatment and precision-ground for very accurate repeatability 
*Change tools in seconds 
*Adjust height of cutting edge easily and accurately 
*Reground tools without removal from holder-setting unchanged