Body-Solid Olympic Dumbbell Handle OB20C Desk Each J-cup is designed to

Each J-cup is designed to mount on either the front or rear uprights

Calf raises and squats using the included Smith bar would target the same muscles

Vertical Knee Raises

Steelflex Olympic Decline Bench Specifications:

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Body-Solid Olympic Dumbbell Handle OB20C Desk Each J-cup is designed toThe OB20C Loadable Olympic Dumbbell Handle by Body Solid Olympic dumbbell handles are without a doubt, the most heavy duty, functionally smooth dumbbells on the market. An important addition to every strength conditioning program, these dumbbells are perfect for those whose workouts require a variety of exercises. Handle Overall Length: 20" Handle Weight: 9lbs Loadable Sleeve Length: 7"