This is an extension that I produced originally. 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. You can attach it simply by removing the butt cap, with no modifications needed. It can be attached in the same way as a MEZZ extender. You can attach MEZZ extenders. Also, by attaching a MEZZ bumper, you can attach various extensions. Length: Approximately 1 inch Weight: 29.5g ⚠️Cue and genuine MEZZ butt cap are not included. If you wish to purchase multiple items from my listings, please comment and I will offer a discount for 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 respond as quickly as possible, but please forgive me if there are delays due to work or other circumstances.