The Body-Solid Tools MB100A Aluminum Double Swivel attaches to dual-cable functional trainers connecting to both weight stacks for smooth, unilateral movements. Constructed from high-strength, rust-proof and light-weight aluminum, the MB100A is built to last a lifetime. Knurled grips ensure consistent handling during intense workouts. The MB100A is ideal for use in shoulder presses, biceps and triceps exercises, lat pulldowns, bench/incline/decline press as well as squats.