CFF Functional Trainer Nylon Cable Crossover Handles (Pair) The CFF Functional Trainer Nylon Cable handles are the perfect accessory for any commercial gym(Will work in home gyms too). With ergonomic handles and a rounded over edge, these handles were built for longevity and comfort over those long harsh workouts. Handles grip ranges from 30mm on the smaller part of the handle and 35mm in the center. Used in training for: Cable Crossover Speed Sled Pulling Single Arm, over-head triceps extensions Rows Etc.