อุปกรณ์เลเซอร์พัตเตอร์ สําหรับฝึกตีกอล์ฟ

Function: For daily swing exercises, improve the accuracy of the technique and practice the feeling of swing. Specifications: Weight: 41g Size: 130*47*21mm/5.11*1.85*0.82'' Power Supply: 3 x LR44 Button Cell Type: With Battery Installation Manual: 1. The rod sleeve is pushed from the rod head to the grip direction. 2. The laser is pushed from the lower part aim at the mouth of the bayonet and pushes up. 3. After the installation is successful, then the laser direction is adjusted. Package include: 1Pcs Golf Putter Laser Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.