1. Material: reinforced PP, encapsulated TPR, spring 2. Power supply: button battery (included) 3. Intelligent counting, electronic liquid crystal display 4. The quantity can be reset and reused 5. 4mm high-strength thickened carbon steel spring, durable and not easy to break 6. 10-100KG strength can be adjusted freely, rotate the button to add or subtract 7. Strengthen hand strength and finger flexibility 8. TPR ergonomic handle, non-slip fit fingers 9. Size: 14.5x16cm 10. Weight: about 200 grams
1. 材质：增强PP，包胶TPR，弹簧 2. 供电：纽扣电池（含） 3. 智能计数，电子液晶显示 4. 数量可清零重复使用 5. 4毫米高强度加粗碳钢弹簧，坚固耐用不易断裂 6. 10-100KG力度自由调节，旋转按钮进行加减 7. 强化手部力量和手指灵活力 8. TPR人体工学手柄，防滑贴合手指 9. 尺寸：14.5x16厘米 10. 重量：200克左右
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