{"product_id":"callus-ball-for-hands-skin-conditioning-callus-building-grip-trainer-hand-strength-trainer-for-rock-solid-grip-tougher-palms-and-stronger-hands-color-3cm-1pcs","title":"Callus Ball for Hands, Skin Conditioning \u0026 Callus Building Grip Trainer, Hand Strength Trainer for Rock-Solid Grip, Tougher Palms and Stronger Hands - color: 3cm-1pcs","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e【NATURAL STONE GRIP TRAINER】 Crafted from real natural stone, this compact callus ball is designed to support hand conditioning and grip strength. The textured surface provides consistent friction for effective daily training—especially useful for climbers preparing their hands for real rock contact.\u003c\/li\u003e\n\u003cli\u003e【BUILD TOUGHER HANDS \u0026amp; IMPROVE GRIP】 Squeeze and roll across palms and fingers to help develop skin resilience and improve hand contact. Ideal for grip training, conditioning, and enhancing finger control for climbing, bouldering, weightlifting, and gym workouts.\u003c\/li\u003e\n\u003cli\u003e【TEXTURED PORES FOR CONTROLLED FRICTION】 Engineered with fine surface pores that create strong friction without aggressively scraping skin. Helps climbers improve grip feel on holds and reduce slippage during lifting, climbing, or other high-grip activities.\u003c\/li\u003e\n\u003cli\u003e【ERGONOMIC SQUEEZE FOR TRAINING \u0026amp; HAND ENDURANCE】 Comfortable size delivers a satisfying squeeze that strengthens grip muscles and supports hand endurance. Great for climbers, martial artists, and athletes who rely on sustained finger strength and control.\u003c\/li\u003e\n\u003cli\u003e【COMPACT, PORTABLE \u0026amp; MULTIPLE SHAPES】 Lightweight and easy to carry in a gym bag, chalk bag, or pocket for training anywhere—at the climbing gym, crag, office, or home. Available in 5cm ball, 4cm ball, 3cm ball. Note: Natural stone texture may vary slightly, making each piece unique.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e 3cm-1pcs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e cirfand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Callus Ball for Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Dimensions:\u003c\/strong\u003e 1.18\"L x 1.18\"W\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brand: cirfand","offers":[{"title":"Default Title","offer_id":48808339767450,"sku":"B0GQGRCQFJ-color-3cm-1pcs","price":16.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/6417\/9866\/files\/41SnLjaPmUL.jpg?v=1784858618","url":"https:\/\/gripready.com\/products\/callus-ball-for-hands-skin-conditioning-callus-building-grip-trainer-hand-strength-trainer-for-rock-solid-grip-tougher-palms-and-stronger-hands-color-3cm-1pcs","provider":"GripReady","version":"1.0","type":"link"}