【 DURABLE SPRING STEEL】- High precision keyless drill chuck is integrated for a single piece construction. High grade spring steel frame ensures better overall balance of tool holder assembly. Polished body to be smooth and rust resistant.

【GREAT ACCURACY】- Collet chuck is of high accuracy. Hardened and ground to ensure maximum accuracy and high concentricity. Drill chuck has very strong holding power. Superior alloy steel claws last.

【EASY TO CHANGE】- V-groove design balanced and meet standard industrial needs, easy on tool changers for less spindle and changer maintenance. Projection Length: 4 inches. Stable performance.

【EFFORTLESS TO OPERATE】- 1 CAT40 precision ball bearing keyless drill chuck. Self-tightening key-less feature. Easy to use, safer than separate shank model.

【WRENCH INCLUDED】- One free wrench for extra tightening and easy release if necessary. A HAAS style pull stud is ready to be used on any HAAS CAT40 spindle. Ideal for CNC Lathe/milling, drill press, and heavy duty hand tools.