*Only installation hardware included is the two O-rings. No screws or pins included. 25.6mm muzzle to fit 26mm barrels Muzzle material Nylon, 30% Glass-filled Super low friction Derlin® pulleys Weight of muzzle/body connection ø26mm, 34g.r Pulleys compatible with bands of up to ø 18mm Side anchors designed to accommodate an additional band The innovative design of the roller muzzle with upper “V” opening facilitates the insertion of the shaft with fins during the loading phase The passing of the line on the roller muzzle for fastening the rod is quick and intuitive thanks to the upper channel The line must be connected to the fin in the most forward position (tip side) while the spike of the elastic should be held in the retracted fin (handle side) Use official Salvimar “FORMULA R” wishbones that do not contain balls for binding