{"product_id":"round-stone-hand-grip-strengthener-muscle-strength-training-massage-ball-for-climbing-gym-and-callus-training-size-4cm-1","title":"Round Stone Hand Grip Strengthener Muscle Strength Training Massage Ball for Climbing Gym and Callus Training - size: 4CM","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCrafted from Synthetic Resin, our hand callus trainer provides controlled friction.\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for hand training, this tool strengthens fingers, palms, and forearms through daily squeezing and rolling exercises, improving grip endurances and pinch power for climbing, weightlifting, and more.\u003c\/li\u003e\n\u003cli\u003eRegular use helps develop thicker, more resilient skin to combat sweaty hands, giving you better control in activities like lifting, climbing, or playing musical instruments.\u003c\/li\u003e\n\u003cli\u003eFeatures a ball like texture for consistent friction and pressure, stimulating callus formation while ensuring safe with your skin.\u003c\/li\u003e\n\u003cli\u003eCompact and light weight, this hand trainer fits easily in pockets or gym bags for discreet use anyplace. Simply wash with soap and water for easily maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e 4cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e synthetic resin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e JINPIAOPIAO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e JINPIAOPIAO\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brand: JINPIAOPIAO","offers":[{"title":"Default Title","offer_id":48800414433434,"sku":"B0H2HBT7VW-size-4cm","price":9.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/6417\/9866\/files\/51Pcnkr0RkL_68bd3680-29cc-4afa-a8ab-5757b4982f1e.jpg?v=1784755142","url":"https:\/\/gripready.com\/products\/round-stone-hand-grip-strengthener-muscle-strength-training-massage-ball-for-climbing-gym-and-callus-training-size-4cm-1","provider":"GripReady","version":"1.0","type":"link"}