TLILY 2Pcs Chuck Tool Holder C3/4-ER20-1.38L for Metal Processing, Woodworking Accessories ER20

Made of high-quality materials, and practical C3/4-ER20-1.38L tool holder The concentricity of the collet is less than 0002 Chuck accepts all ER20 collets colour:Silver & Black material:Carbon steel size:Tool handle diameter: 3/4 inch Package Contents: 2 x chuck tool holder chuck Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.