Weider SB3 is a versatile fitness equipment designed to provide a full-body workout, targeting various muscle groups. It features an adjustable slant board that allows users to customize the incline level for different exercises, making it suitable for both beginners and advanced fitness enthusiasts. The slant board can be locked into multiple positions, enabling users to perform exercises such as sit-ups, leg raises, and core workouts. The SB3 also includes foam pads and a handle bar for added comfort and support during exercises.