For fast set-ups on CNC machinesCan be used standing uprightMade of tool steel hardenedThrough hole allows for long parts to be machined.Product name: Hex ER Collet BlockShape:HexModel:ER40Application:For parallel square or hex shapes as well as for hole drilling at 60,90,or 120 degrees.Products are widely used in milling, drilling, tapping, carving, CNC, spindle machine and other clamping tools, the cost performance is very high.Colour: Silver + blackMaterial:steelPackage Contents:1 x Hex ER Collet BlockOnly 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.