findmall CAT40-ER25 Collet Chuck 2.76" Gage Length 4pcs New Tool Holder Set for CNC Engraving Machine and Milling Lathe Tool

Projection Length: 2.76" Number:4 pcs TIR: 0.0001" With good centering function, mainly clamping straight shank cutter It is often used for clamping end milling cutter, drill bit, tap, reamer, center drill and other cutting tools.