Vision Keystone Pec Fly / Rear Delt Optional Rep CounterThe Vision Keystone Pec Fly Rear Delt is a versatile selectorized strength machine designed to effectively train both the chest and upper back. With adjustable arm positions, users can easily switch between pec fly and rear delt exercises to target opposing muscle groups. Its ergonomic design promotes proper biomechanics and comfort, while the optional RC1 add on expands range of motion adjustment for additional training flexibility. Ideal for