Marksman 3355 Slingshot Hyper-Velocity Band Replacement Kit Increases Velocity by 30 percent Fits Marksman Products Folding Slingshot, Marksman Products Laser Hawk Adjustable Slingshot, Laserhawk II Talon Grip Slingshot and Other .25in Diameter Yokes Talon Grip Pouch- Holds Steel Ammo In Place