This is an extension that was originally produced. The price is a bit high due to specification changes. 《The screw part has been changed to aluminum, significantly increasing its strength compared to previous models.》 This is an extension for MEZZ. *Some KONLLEN cues can use MEZZ extensions, so it may be possible to attach it. Simply remove the butt cap and attach it for use without any modifications. 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 MEZZ genuine butt cap are not included. If you wish to purchase multiple items from my listings, please comment and I will offer a discount for the shipping costs. This is a handmade item, so please only purchase if you are not concerned about minor details. If you have any questions, please leave a comment. I will try to reply as soon as possible, but please forgive me if it takes time due to work or other circumstances.