This is an original design, and the stone in the center changes color depending on the viewing angle. This is an original extension. The price is higher due to specification changes. 《The screw part has been changed to aluminum, significantly increasing the strength compared to previous models》 This is an extension for MEZZ cues. * Some KONLLEN cues may be compatible with the MEZZ extension. It can be used without modification, simply by removing the butt rubber and attaching it. It can be attached in the same way as a MEZZ extender. MEZZ extenders can be attached. Also, by attaching a MEZZ bumper, various extensions can be attached. Length: Approximately 1 inch Weight: 29.3g ⚠️ Cue and genuine MEZZ butt rubber are not included. If you are interested in purchasing multiple items I am selling, please comment and I will discount the shipping cost. This is handmade, so please purchase if you are not concerned about minor details. If you have any questions, please comment. I will try to respond as quickly as possible, but please understand if there is a delay due to work or other circumstances.