This is an original extension. ⚠️ Made of natural material-like resin. The price has increased 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 MEZZ extensions. 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: 26.5g ⚠️ The cue and MEZZ genuine butt rubber are not included. If you wish to purchase multiple items I have listed, please comment and I will discount the shipping cost. This is handmade, so please purchase if you don't mind minor imperfections. If you have any questions, please comment. I will try to reply as quickly as possible, but please understand if there is a delay due to work or other circumstances.