【New, Unused】 Japanese Genuine Swing Trainer Golf Swing Practice Equipment 1 million units sold worldwide Used by over 100 PGA Tour pros The movement of the weighted club shaft improves the flexibility of the arms, shoulders, and back for the entire golf swing. You can achieve the ideal swing with a few swings a day! An amazing swing training device that can also correct slices! The weight is 3 times that of a regular 7-iron, despite being shorter in length. Also, the weight is evenly distributed throughout the club with a special design (US patent). The shaft creates an effective balance. Practice with up to 75% of your usual swing power. 【New】 Length: 35 inches (90cm) Weight: 40 ounces (manufacturer's specification) (actual weight approx. 1270g) Product dimensions: 100 x 13 x 5 cm Brand: Momentus Grip: Training grip installed *This product is not designed to hit balls. Never hit a ball with it.