Rapala Precision Xtreme Pencil 107. Precise design - extreme action! Inside the tough plastic body with through armor of the Pencil Precision Extreme 107 is an internal sinker system, making the lure one of the best casting lures in its class. The internal weight travels along the internal chamber, striking a plastic block and a stainless steel ball in turn, resulting in a sequence of high and low tones, attracting fish from near and far! Pencil Precision Extreme 107 has the very detailed finish, features printed scales, a new 3D holographic eye.