WS89PZJ4 Homehold Professional Trainer String Rebound Tennis Training Ball Elastic Rope Practice
คุณสมบัติเด่น / รายละเอียดสินค้า:
| Weight: | 56.7-58.5g |
| Diameter: | 63.5-66.7mm |
| Advancing deformation: | 0.23-0.27N |
| Elasticity: | 138--147cm |
| Material: | High quality rubber and woolen |
