The Keck™ clamp is used to secure a standard ground joint connection.– For conical joints – Dimensionally stable with particularly good spring properties – Easy, safe and quick to set up – Increased safety in the laboratory as the glass surface is not scratched – Marking of the individual sizes for better differentiation The Keck™ clamp is used to secure a standard ground joint connection.– For conical joints – Dimensionally stable with particularly good spring properties – Easy, safe and quick to set up – Increased safety in the laboratory as the glass surface is not scratched – Marking of the individual sizes for better differentiation