Pro Impact Pro Swivel - Multi-Direction Heavy Duty Ceiling Hook Hanger - Accuracy Speed & Power Training & Practice - for Boxing Punching Bag HIGH-QUALITY CONSTRUCTION. Expertly crafted using heavy-duty stainless steel, the Pro Swivel is designed to hold up against the constant pounding of gym use. Its also triple-chrome plated to supply extra-long durability. IMPORTANT ACCESSORY. Many take the swivel for granted, but this small accessory is very important for your training sessions. Designed using high-quality materials to provide long-term use, the Pro Impact is ideal for professional, home and gym use. CHOICE OF SWIVELS. The Pro Impact is available in two versions  a chain link option and a U-hook swivel with an EZ lock for quick changeouts  to accommodate everyones preference and needs. FAST ACTION. The wrong swivel can have a negative impact on your training. Allowing the bag to move in any direction at any time, the chain link swivel boasts super-fast, ball bearing action to take your practice sessions to a new level. LIGHTNING SPEED. Letting your bag perform at its best, the U-hook swivel delivers a lightning fast and accurate rebound. As such, it allows you to maintain your rhythm and make accurate punches.