Z-Athletic Gymnastics Extension Kits for Junior and Kip Bars This extension kit for the JUNIOR TRAINING BAR ONLY, please verify you have a Z Athletic Junior Training Bar before ordering. Please contact Z Athletic directly if you are unsure what bar you have. This extension kit attaches to a Z-Athletic Junior Training Bar allowing for greater height, stability, and extended usage. Super heavy duty for maximum stability. This extension kit adds 38 pounds of additonal weight Allows for extended height usage, up to 59" and will support up to gymnastics Level 6. If your item is damaged during shipping or any park breaks within 1 year of purchase, please contact Z-Athletic, Inc.