ER20 ER11 CNC Engraving Milling Lathe Tool Pliers Set 3mm 1/8" 4mm 5mm 6mm 1/4" 8mm 10mm 12mm 1/2"

These spring clamps are made of 65Mn spring steel for CNC milling lathe tool and work holding engraving machine. There are of different sizes on a set that can meet your needs. The clamp must be placed in the nut of the collet before inserting it into the collet clamp. Material: 65Mn Spring Steel Model: ER20 Range: 3mm, 1/8", 4mm, 5mm, 6mm, 1/4", 8mm, 10mm, 12mm, 1/2" Height: 30 mm OD:15mm Runout Tolerance: 0.03mm Package includes: clips.