Professional Athletics JUMP KING . A super off-season conditioner for a variety of sports. V-Bar Spring Attachment System. 104 oil-tempered painted springs, available with either standard or wide frame pads.
Rectangular model offers the greatest control and overall rebound action.
For skills, this is the official shape as recognized for gymnastic training. They are made from the highest quality materials for maximum performance, long life and ease of storage. Exclusive zinc plated crimp wire spring attachements are welded to the frame. Ideal for gymnasts and cheerleading. Instantly adjust to desired performing angle.