Description:It can be easily attached to the end of any golf club grip, which is a good helper for golf beginners.By emitting a plane red laser during your swing, the product checks and corrects your swing posture, thus improving the quality of each swing.Made of stainless-steel material, the product is compact and durable,The length of the product is 8.5 cm, the width is 2.5 cm, the height is 2.5 cm.It is suitable for golf beginners to better play the golf game, and is suitable for right-handed or left-handed golfers.Item Name: Swing CorrectorMaterial: Stainless SteelBattery: 3 x A76 Button Battery(Not Included)Features: Precise, Simple to Use, PortableSize Details: 8.5cm x 2.5cm x 2.5cm/3.35" x 0.98" x 0.98" (Approx.