Ermes Avatar open speargun muzzle. For speargun barrels with 26mm or 26.5mm inner diameter. Quickly elevates bands onto the plane of travel of the spear with the built in band channels. Manufactured in extremely durable impact resistant plastic. Shooting line can be routed to the right or left side. Bungee anchoring point/reel line guide/ 2nd wrap line guide are built in. Accepts 14mm, 16mm and 19mm bands. Includes two incorporated O-rings to prevent water intrusion into the tube. Peg insert diameter is 26mm with sacrificial stripes that increase the diameter to 26.5mm. These stripes can be easily cut or sanded off, allowing compatibility with 26mm and 26.5mm inner diameter aluminum and carbon speargun tubes. Muzzle material can be filed or sanded reducing the peg diameter and/or track height, making it possible to fit many tube configurations. Stainless steel screw for installation is included.