Sound-producing modification unit A, improved version ver2 Disassembly special tool SET All stainless steel (rust-resistant), can be disassembled by hand. By installing this part, a sound is produced when the handle is rotated in reverse, and appropriate tension is applied (adjustable), preventing backlash. Installation can be done with the original screws in about 10 minutes. We provide support for easy installation! We also adjust the initial tension. Just install it after purchase, and you're good to go. If you're unsure, there's a handwritten diagram and written instructions, so you'll be fine. This sound-producing part is an original part that cannot be imitated by others, as it was improved and manufactured by considering various aspects from the perspective of the purchaser. Includes instructions (immediate comment support), parts with good sound quality from the start, pin spring substitute tube (not available from others), completely welded and fixed screw heads, fixed springs, tension adjustment before shipping and sound test quality check, no use of adhesives, etc., so it won't deteriorate! Mirror-polished finish. This price for the above content! Even if defective products are produced, can you trust factory production more than self-made products? Please take a good look at the difference. There are many people who have repurchased due to part failures, and my parts are highly praised. Good parts produce good sound quality from the start, even with weak tension. I, the Yaen creator, have improved and manufactured these parts and have repeated fishing tests, so they are safe for long-term use. Loud sounds give squid a sense of discomfort from the sound of the line, and strong tension also quickly consumes the core of the parts, resulting in many disadvantages. If you remove the spring from the pin in photo 5, it becomes difficult to attach and tends to come off easily, so two substitute tubes are included as a bonus. If you use them instead of the spring, you can easily remove and reattach them many times. (Compatible models) 13, 17, 22, 25 BB-X Hyper Force 11, 16, 23 BB-X Despina, Larissa 11, 13, 16 Exsence LB 12, 18 BB-X Remare (1500-2000 size not compatible) Photo 4. Sound measurement MAX 81.6dB, can be heard even from a distance, there is some margin of error. Please understand that we will ship after sound testing. For more information, search for "reel sound modification" on YouTube, and you should be able to understand it almost completely. Please modify the sound production at your own risk, understanding the reel structure. New flip-up Kai K2 Also selling the Hissatsu Yaen Cobra! We will send a comment message soon after purchase, so please be sure to check and reply. Please do so to prevent any trouble.