Function: SDS / SDS Plus quick-release drill chuck / quick-change tool holder / interchangeable chuck / drill head Compatibility: Replacement for Hilti 273118, suitable for Hilti TE 1, TE 2-M, TE 5, TE 5-A, TE 6, TE 6-A, TE 6-S, TE 7, TE 7-C, TE 14, TE 15, TE 15-C, TE 18-M and identical models Technical data: Total length 82 mm; inner diameter intake 10 mm; outer diameter intake 34 mm Quality: High quality and perfect fit – alternative replacement part Benefits - Enables fast, tool-free bit changes with compatible Hilti SDS systems - Maintains precise fit and reliable performance on TE series drills - Provides a versatile, interchangeable chuck option for quick setup Use scenarios - On a construction site, replace a worn chuck on a Hilti TE drill to restore drilling performance - Quickly switch between drill bits of different sizes during masonry drilling and anchor installation - Use as an interchangeable chuck head to convert between drilling and SDS hammer operations on TE models