• DURABLE BALL: The speedball, crafted from hand-stitched PU leather, exhibits remarkable durability once inflated. It can endure powerful strikes. 
• MAXIMUM SPRING ANGLE: The lower spring is securely welded to solid stainless steel to guarantee its resilience against breakage when striking the ball. Designed for a maximum spring angle of 90 degrees. It is tailor-made for early training of Boxing, MMA, Kickboxing and Muay Thai. 
• ADJUSTABLE HEIGHT: The tubes are constructed from stainless steel. You have the flexibility to customize the tube's height, ranging from 140cm to 180cm, to accommodate your specific preferences. This adjustable feature ensures it suits a wide range of human heights.
• ROBUST BASE: The base of the boxing set is constructed using PP materials, ensuring no leakage when filled with both water and/or sand.
• VACCUM LOCK BASE: Optional Suction cups provide a high level of stability and unprecedented grip. State-of-the-art connector with densely padded grip helps prevent excessive swaying and tilting.
• EASY INSTALL: The Cobra speed ball set is easy to install and all necessary components are included.