Description: C16 ER20A 100L Collet Chuck Hoder Straight Shank Chuck Collect Extension Rod for CNC Milling Specification: Model C16 ER20A Material stainless steel Size 30*16*136mm Length handle 100mm Diameter 16mm Color silver Features: -Extended straight shank type handle, with longer handle body. -Suitable for deep hole processing, to solve extend depth of processing need. -For reducing the using of extended cutting tool, reduce the cost of processing, increase efficiency. -The extension rod diameter and other part all through precision grinding, eliminate unbalance, to increase security when cutting. Package Included: 1x Extension rod More Details: