Free shipping nationwide! ! It will be delivered in 2 days ~ 5 days! Overall length ⇒ 86.6 mm Thicker one ⇒ 51.2 mm Small diameter one ⇒ 38.1 mm Unused We have product liability insurance (PL insurance) Material ⇒ Stainless Because it can be put in the silencer The exit design is cool! !