Tennis racket features

1. The Head and The Sweet Spot: Head is area of sinew interlace Sweet Spot is a area that is the ball hits. And it is a low shake area.

Heads have many shapes and size follow to these
1.1) Over-sized: Head rackets area between 100-140 square inch and have big sweet spot.
1.2) Mid-size: Head rackets area is about 85-100 square inch. Suitable fore professional tennis player. They have big sweet spot and make fast hitting.
1.3) Standard-sized: Head rackets area one between80-85 square inch. The have small sweet spot and difficult to hit a ball. This group is infrequently using.

The Beam: It is a side board. The beam makes tramp dine effect. Big beam or wide body not suitable for newbie because it hard to control.
2. The Grip: Size of grips is about 4-5/8 inch. Should a racket. You have to find a medium grip.
3. The Butt Cap: It is the end of grip. This past not effect to the swing hitting normally, there are a logo of tennis racket’s company.
4. The Overall Length: Long racket make more power of hitting, especially serving. The standard length of is 27 inch.
5. The weight: You have to find a medium weight of racket. Using a light weight not good for any player. Because it easy to has injury during hitting, especially forehand ball.

Index // Indicator: The number involve with power of control of the speed swing index (si). If si is low, it means that low power but good control.

Swing Style Rating Chart: It is on the head of tennis racket L-series suitable for strong hitting, wide swing and fast hitting. S-series give high power suitable for short swing and slowly hit.